21439060020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1249}}^1$

素因数の和:1532

約数の個数: 384

約数和(自身を含む): 80640000000

約数和(自身を除く): 59200939980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 239, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 478, 513, 532, 540, 570, 630, 665, 684, 717, 756, 798, 855, 945, 956, 1026, 1140, 1195, 1197, 1249, 1260, 1330, 1434, 1596, 1673, 1710, 1890, 1995, 2052, 2151, 2390, 2394, 2498, 2565, 2660, 2868, 3346, 3420, 3585, 3591, 3747, 3780, 3990, 4302, 4541, 4780, 4788, 4996, 5019, 5130, 5985, 6245, 6453, 6692, 7170, 7182, 7494, 7980, 8365, 8604, 8743, 9082, 10038, 10260, 10755, 11241, 11970, 12490, 12906, 13623, 14340, 14364, 14988, 15057, 16730, 17486, 17955, 18164, 18735, 20076, 21510, 22482, 22705, 23731, 23940, 24980, 25095, 25812, 26229, 27246, 30114, 31787, 32265, 33460, 33723, 34972, 35910, 37470, 40869, 43020, 43715, 44964, 45171, 45410, 47462, 50190, 52458, 54492, 56205, 60228, 63574, 64530, 67446, 68115, 71193, 71820, 74940, 75285, 78687, 81738, 87430, 90342, 90820, 94924, 95361, 100380, 104916, 112410, 118655, 122607, 127148, 129060, 131145, 134892, 136230, 142386, 150570, 157374, 158935, 163476, 166117, 168615, 174860, 180684, 190722, 204345, 213579, 224820, 225855, 236061, 237310, 245214, 262290, 272460, 284772, 286083, 298511, 301140, 314748, 317870, 332234, 337230, 355965, 381444, 393435, 408690, 427158, 451710, 472122, 474620, 476805, 490428, 498351, 524580, 572166, 597022, 613035, 635740, 640737, 664468, 674460, 711930, 786870, 817380, 830585, 854316, 858249, 895533, 903420, 944244, 953610, 996702, 1067895, 1144332, 1180305, 1194044, 1226070, 1281474, 1423860, 1430415, 1492555, 1495053, 1573740, 1661170, 1716498, 1791066, 1907220, 1993404, 2089577, 2135790, 2360610, 2452140, 2491755, 2562948, 2686599, 2860830, 2985110, 2990106, 3203685, 3322340, 3432996, 3582132, 4179154, 4271580, 4291245, 4477665, 4485159, 4721220, 4983510, 5373198, 5671709, 5721660, 5970220, 5980212, 6268731, 6407370, 7475265, 8059797, 8358308, 8582490, 8955330, 8970318, 9967020, 10447885, 10746396, 11343418, 12537462, 12814740, 13432995, 14950530, 16119594, 17015127, 17164980, 17910660, 17940636, 18806193, 20895770, 22425795, 22686836, 25074924, 26865990, 28358545, 29901060, 31343655, 32239188, 34030254, 37612386, 39701963, 40298985, 41791540, 44851590, 51045381, 53731980, 56418579, 56717090, 62687310, 68060508, 75224772, 79403926, 80597970, 85075635, 89703180, 94030965, 102090762, 112837158, 113434180, 119105889, 125374620, 153136143, 158807852, 161195940, 170151270, 188061930, 198509815, 204181524, 225674316, 238211778, 255226905, 282092895, 306272286, 340302540, 357317667, 376123860, 397019630, 476423556, 510453810, 564185790, 595529445, 612544572, 714635334, 765680715, 794039260, 1020907620, 1071953001, 1128371580, 1191058890, 1429270668, 1531361430, 1786588335, 2143906002, 2382117780, 3062722860, 3573176670, 4287812004, 5359765005, 7146353340, 10719530010, 21439060020]

約数ペア:

[(1, 21439060020), (2, 10719530010), (3, 7146353340), (4, 5359765005), (5, 4287812004), (6, 3573176670), (7, 3062722860), (9, 2382117780), (10, 2143906002), (12, 1786588335), (14, 1531361430), (15, 1429270668), (18, 1191058890), (19, 1128371580), (20, 1071953001), (21, 1020907620), (27, 794039260), (28, 765680715), (30, 714635334), (35, 612544572), (36, 595529445), (38, 564185790), (42, 510453810), (45, 476423556), (54, 397019630), (57, 376123860), (60, 357317667), (63, 340302540), (70, 306272286), (76, 282092895), (84, 255226905), (90, 238211778), (95, 225674316), (105, 204181524), (108, 198509815), (114, 188061930), (126, 170151270), (133, 161195940), (135, 158807852), (140, 153136143), (171, 125374620), (180, 119105889), (189, 113434180), (190, 112837158), (210, 102090762), (228, 94030965), (239, 89703180), (252, 85075635), (266, 80597970), (270, 79403926), (285, 75224772), (315, 68060508), (342, 62687310), (378, 56717090), (380, 56418579), (399, 53731980), (420, 51045381), (478, 44851590), (513, 41791540), (532, 40298985), (540, 39701963), (570, 37612386), (630, 34030254), (665, 32239188), (684, 31343655), (717, 29901060), (756, 28358545), (798, 26865990), (855, 25074924), (945, 22686836), (956, 22425795), (1026, 20895770), (1140, 18806193), (1195, 17940636), (1197, 17910660), (1249, 17164980), (1260, 17015127), (1330, 16119594), (1434, 14950530), (1596, 13432995), (1673, 12814740), (1710, 12537462), (1890, 11343418), (1995, 10746396), (2052, 10447885), (2151, 9967020), (2390, 8970318), (2394, 8955330), (2498, 8582490), (2565, 8358308), (2660, 8059797), (2868, 7475265), (3346, 6407370), (3420, 6268731), (3585, 5980212), (3591, 5970220), (3747, 5721660), (3780, 5671709), (3990, 5373198), (4302, 4983510), (4541, 4721220), (4780, 4485159), (4788, 4477665), (4996, 4291245), (5019, 4271580), (5130, 4179154), (5985, 3582132), (6245, 3432996), (6453, 3322340), (6692, 3203685), (7170, 2990106), (7182, 2985110), (7494, 2860830), (7980, 2686599), (8365, 2562948), (8604, 2491755), (8743, 2452140), (9082, 2360610), (10038, 2135790), (10260, 2089577), (10755, 1993404), (11241, 1907220), (11970, 1791066), (12490, 1716498), (12906, 1661170), (13623, 1573740), (14340, 1495053), (14364, 1492555), (14988, 1430415), (15057, 1423860), (16730, 1281474), (17486, 1226070), (17955, 1194044), (18164, 1180305), (18735, 1144332), (20076, 1067895), (21510, 996702), (22482, 953610), (22705, 944244), (23731, 903420), (23940, 895533), (24980, 858249), (25095, 854316), (25812, 830585), (26229, 817380), (27246, 786870), (30114, 711930), (31787, 674460), (32265, 664468), (33460, 640737), (33723, 635740), (34972, 613035), (35910, 597022), (37470, 572166), (40869, 524580), (43020, 498351), (43715, 490428), (44964, 476805), (45171, 474620), (45410, 472122), (47462, 451710), (50190, 427158), (52458, 408690), (54492, 393435), (56205, 381444), (60228, 355965), (63574, 337230), (64530, 332234), (67446, 317870), (68115, 314748), (71193, 301140), (71820, 298511), (74940, 286083), (75285, 284772), (78687, 272460), (81738, 262290), (87430, 245214), (90342, 237310), (90820, 236061), (94924, 225855), (95361, 224820), (100380, 213579), (104916, 204345), (112410, 190722), (118655, 180684), (122607, 174860), (127148, 168615), (129060, 166117), (131145, 163476), (134892, 158935), (136230, 157374), (142386, 150570)]