21007350

素因数分解:

$2^1\times 3^5\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:66

約数の個数: 288

約数和(自身を含む): 75828480

約数和(自身を除く): 54821130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 19, 21, 25, 26, 27, 30, 35, 38, 39, 42, 45, 50, 54, 57, 63, 65, 70, 75, 78, 81, 90, 91, 95, 105, 114, 117, 126, 130, 133, 135, 150, 162, 171, 175, 182, 189, 190, 195, 210, 225, 234, 243, 247, 266, 270, 273, 285, 315, 325, 342, 350, 351, 378, 390, 399, 405, 450, 455, 475, 486, 494, 513, 525, 546, 567, 570, 585, 630, 650, 665, 675, 702, 741, 798, 810, 819, 855, 910, 945, 950, 975, 1026, 1050, 1053, 1134, 1170, 1197, 1215, 1235, 1330, 1350, 1365, 1425, 1482, 1539, 1575, 1638, 1701, 1710, 1729, 1755, 1890, 1950, 1995, 2025, 2106, 2223, 2275, 2394, 2430, 2457, 2470, 2565, 2730, 2835, 2850, 2925, 3078, 3150, 3159, 3325, 3402, 3458, 3510, 3591, 3705, 3990, 4050, 4095, 4275, 4446, 4550, 4617, 4725, 4914, 5130, 5187, 5265, 5670, 5850, 5985, 6075, 6175, 6318, 6650, 6669, 6825, 7182, 7371, 7410, 7695, 8190, 8505, 8550, 8645, 8775, 9234, 9450, 9975, 10374, 10530, 10773, 11115, 11970, 12150, 12285, 12350, 12825, 13338, 13650, 14175, 14742, 15390, 15561, 15795, 17010, 17290, 17550, 17955, 18525, 19950, 20007, 20475, 21546, 22113, 22230, 23085, 24570, 25650, 25935, 26325, 28350, 29925, 31122, 31590, 32319, 33345, 35910, 36855, 37050, 38475, 40014, 40950, 42525, 43225, 44226, 46170, 46683, 51870, 52650, 53865, 55575, 59850, 60021, 61425, 64638, 66690, 73710, 76950, 77805, 78975, 85050, 86450, 89775, 93366, 100035, 107730, 110565, 111150, 115425, 120042, 122850, 129675, 140049, 155610, 157950, 161595, 166725, 179550, 184275, 200070, 221130, 230850, 233415, 259350, 269325, 280098, 300105, 323190, 333450, 368550, 389025, 420147, 466830, 500175, 538650, 552825, 600210, 700245, 778050, 807975, 840294, 1000350, 1105650, 1167075, 1400490, 1500525, 1615950, 2100735, 2334150, 3001050, 3501225, 4201470, 7002450, 10503675, 21007350]

約数ペア:

[(1, 21007350), (2, 10503675), (3, 7002450), (5, 4201470), (6, 3501225), (7, 3001050), (9, 2334150), (10, 2100735), (13, 1615950), (14, 1500525), (15, 1400490), (18, 1167075), (19, 1105650), (21, 1000350), (25, 840294), (26, 807975), (27, 778050), (30, 700245), (35, 600210), (38, 552825), (39, 538650), (42, 500175), (45, 466830), (50, 420147), (54, 389025), (57, 368550), (63, 333450), (65, 323190), (70, 300105), (75, 280098), (78, 269325), (81, 259350), (90, 233415), (91, 230850), (95, 221130), (105, 200070), (114, 184275), (117, 179550), (126, 166725), (130, 161595), (133, 157950), (135, 155610), (150, 140049), (162, 129675), (171, 122850), (175, 120042), (182, 115425), (189, 111150), (190, 110565), (195, 107730), (210, 100035), (225, 93366), (234, 89775), (243, 86450), (247, 85050), (266, 78975), (270, 77805), (273, 76950), (285, 73710), (315, 66690), (325, 64638), (342, 61425), (350, 60021), (351, 59850), (378, 55575), (390, 53865), (399, 52650), (405, 51870), (450, 46683), (455, 46170), (475, 44226), (486, 43225), (494, 42525), (513, 40950), (525, 40014), (546, 38475), (567, 37050), (570, 36855), (585, 35910), (630, 33345), (650, 32319), (665, 31590), (675, 31122), (702, 29925), (741, 28350), (798, 26325), (810, 25935), (819, 25650), (855, 24570), (910, 23085), (945, 22230), (950, 22113), (975, 21546), (1026, 20475), (1050, 20007), (1053, 19950), (1134, 18525), (1170, 17955), (1197, 17550), (1215, 17290), (1235, 17010), (1330, 15795), (1350, 15561), (1365, 15390), (1425, 14742), (1482, 14175), (1539, 13650), (1575, 13338), (1638, 12825), (1701, 12350), (1710, 12285), (1729, 12150), (1755, 11970), (1890, 11115), (1950, 10773), (1995, 10530), (2025, 10374), (2106, 9975), (2223, 9450), (2275, 9234), (2394, 8775), (2430, 8645), (2457, 8550), (2470, 8505), (2565, 8190), (2730, 7695), (2835, 7410), (2850, 7371), (2925, 7182), (3078, 6825), (3150, 6669), (3159, 6650), (3325, 6318), (3402, 6175), (3458, 6075), (3510, 5985), (3591, 5850), (3705, 5670), (3990, 5265), (4050, 5187), (4095, 5130), (4275, 4914), (4446, 4725), (4550, 4617)]