21081060

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2$

素因数の和:65

約数の個数: 360

約数和(自身を含む): 89280576

約数和(自身を除く): 68199516

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 26, 27, 28, 30, 33, 35, 36, 39, 42, 44, 45, 52, 54, 55, 60, 63, 65, 66, 70, 77, 78, 81, 84, 90, 91, 99, 105, 108, 110, 117, 126, 130, 132, 135, 140, 143, 154, 156, 162, 165, 169, 180, 182, 189, 195, 198, 210, 220, 231, 234, 252, 260, 270, 273, 286, 297, 308, 315, 324, 330, 338, 351, 364, 378, 385, 390, 396, 405, 420, 429, 455, 462, 468, 495, 507, 540, 546, 567, 572, 585, 594, 630, 660, 676, 693, 702, 715, 756, 770, 780, 810, 819, 845, 858, 891, 910, 924, 945, 990, 1001, 1014, 1053, 1092, 1134, 1155, 1170, 1183, 1188, 1260, 1287, 1365, 1386, 1404, 1430, 1485, 1521, 1540, 1620, 1638, 1690, 1716, 1755, 1782, 1820, 1859, 1890, 1980, 2002, 2028, 2079, 2106, 2145, 2268, 2310, 2340, 2366, 2457, 2535, 2574, 2730, 2772, 2835, 2860, 2970, 3003, 3042, 3276, 3380, 3465, 3510, 3549, 3564, 3718, 3780, 3861, 4004, 4095, 4158, 4212, 4290, 4455, 4563, 4620, 4732, 4914, 5005, 5070, 5148, 5265, 5460, 5577, 5670, 5915, 5940, 6006, 6084, 6237, 6435, 6930, 7020, 7098, 7371, 7436, 7605, 7722, 8190, 8316, 8580, 8910, 9009, 9126, 9295, 9828, 10010, 10140, 10395, 10530, 10647, 11154, 11340, 11583, 11830, 12012, 12285, 12474, 12870, 13013, 13689, 13860, 14196, 14742, 15015, 15210, 15444, 16380, 16731, 17745, 17820, 18018, 18252, 18590, 19305, 20020, 20790, 21060, 21294, 22308, 22815, 23166, 23660, 24570, 24948, 25740, 26026, 27027, 27378, 27885, 29484, 30030, 30420, 31185, 31941, 33462, 35490, 36036, 36855, 37180, 38610, 39039, 41580, 42588, 45045, 45630, 46332, 49140, 50193, 52052, 53235, 54054, 54756, 55770, 57915, 60060, 62370, 63882, 65065, 66924, 68445, 70980, 73710, 77220, 78078, 81081, 83655, 90090, 91260, 95823, 100386, 106470, 108108, 111540, 115830, 117117, 124740, 127764, 130130, 135135, 136890, 147420, 150579, 156156, 159705, 162162, 167310, 180180, 191646, 195195, 200772, 212940, 231660, 234234, 250965, 260260, 270270, 273780, 301158, 319410, 324324, 334620, 351351, 383292, 390390, 405405, 468468, 479115, 501930, 540540, 585585, 602316, 638820, 702702, 752895, 780780, 810810, 958230, 1003860, 1054053, 1171170, 1405404, 1505790, 1621620, 1756755, 1916460, 2108106, 2342340, 3011580, 3513510, 4216212, 5270265, 7027020, 10540530, 21081060]

約数ペア:

[(1, 21081060), (2, 10540530), (3, 7027020), (4, 5270265), (5, 4216212), (6, 3513510), (7, 3011580), (9, 2342340), (10, 2108106), (11, 1916460), (12, 1756755), (13, 1621620), (14, 1505790), (15, 1405404), (18, 1171170), (20, 1054053), (21, 1003860), (22, 958230), (26, 810810), (27, 780780), (28, 752895), (30, 702702), (33, 638820), (35, 602316), (36, 585585), (39, 540540), (42, 501930), (44, 479115), (45, 468468), (52, 405405), (54, 390390), (55, 383292), (60, 351351), (63, 334620), (65, 324324), (66, 319410), (70, 301158), (77, 273780), (78, 270270), (81, 260260), (84, 250965), (90, 234234), (91, 231660), (99, 212940), (105, 200772), (108, 195195), (110, 191646), (117, 180180), (126, 167310), (130, 162162), (132, 159705), (135, 156156), (140, 150579), (143, 147420), (154, 136890), (156, 135135), (162, 130130), (165, 127764), (169, 124740), (180, 117117), (182, 115830), (189, 111540), (195, 108108), (198, 106470), (210, 100386), (220, 95823), (231, 91260), (234, 90090), (252, 83655), (260, 81081), (270, 78078), (273, 77220), (286, 73710), (297, 70980), (308, 68445), (315, 66924), (324, 65065), (330, 63882), (338, 62370), (351, 60060), (364, 57915), (378, 55770), (385, 54756), (390, 54054), (396, 53235), (405, 52052), (420, 50193), (429, 49140), (455, 46332), (462, 45630), (468, 45045), (495, 42588), (507, 41580), (540, 39039), (546, 38610), (567, 37180), (572, 36855), (585, 36036), (594, 35490), (630, 33462), (660, 31941), (676, 31185), (693, 30420), (702, 30030), (715, 29484), (756, 27885), (770, 27378), (780, 27027), (810, 26026), (819, 25740), (845, 24948), (858, 24570), (891, 23660), (910, 23166), (924, 22815), (945, 22308), (990, 21294), (1001, 21060), (1014, 20790), (1053, 20020), (1092, 19305), (1134, 18590), (1155, 18252), (1170, 18018), (1183, 17820), (1188, 17745), (1260, 16731), (1287, 16380), (1365, 15444), (1386, 15210), (1404, 15015), (1430, 14742), (1485, 14196), (1521, 13860), (1540, 13689), (1620, 13013), (1638, 12870), (1690, 12474), (1716, 12285), (1755, 12012), (1782, 11830), (1820, 11583), (1859, 11340), (1890, 11154), (1980, 10647), (2002, 10530), (2028, 10395), (2079, 10140), (2106, 10010), (2145, 9828), (2268, 9295), (2310, 9126), (2340, 9009), (2366, 8910), (2457, 8580), (2535, 8316), (2574, 8190), (2730, 7722), (2772, 7605), (2835, 7436), (2860, 7371), (2970, 7098), (3003, 7020), (3042, 6930), (3276, 6435), (3380, 6237), (3465, 6084), (3510, 6006), (3549, 5940), (3564, 5915), (3718, 5670), (3780, 5577), (3861, 5460), (4004, 5265), (4095, 5148), (4158, 5070), (4212, 5005), (4290, 4914), (4455, 4732), (4563, 4620)]