21369528

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:202

約数の個数: 128

約数和(自身を含む): 64512000

約数和(自身を除く): 43142472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 41, 54, 57, 72, 76, 82, 108, 114, 123, 127, 152, 164, 171, 216, 228, 246, 254, 328, 342, 369, 381, 456, 492, 508, 513, 684, 738, 762, 779, 984, 1016, 1026, 1107, 1143, 1368, 1476, 1524, 1558, 2052, 2214, 2286, 2337, 2413, 2952, 3048, 3116, 3429, 4104, 4428, 4572, 4674, 4826, 5207, 6232, 6858, 7011, 7239, 8856, 9144, 9348, 9652, 10414, 13716, 14022, 14478, 15621, 18696, 19304, 20828, 21033, 21717, 27432, 28044, 28956, 31242, 41656, 42066, 43434, 46863, 56088, 57912, 62484, 65151, 84132, 86868, 93726, 98933, 124968, 130302, 140589, 168264, 173736, 187452, 197866, 260604, 281178, 296799, 374904, 395732, 521208, 562356, 593598, 791464, 890397, 1124712, 1187196, 1780794, 2374392, 2671191, 3561588, 5342382, 7123176, 10684764, 21369528]

約数ペア:

[(1, 21369528), (2, 10684764), (3, 7123176), (4, 5342382), (6, 3561588), (8, 2671191), (9, 2374392), (12, 1780794), (18, 1187196), (19, 1124712), (24, 890397), (27, 791464), (36, 593598), (38, 562356), (41, 521208), (54, 395732), (57, 374904), (72, 296799), (76, 281178), (82, 260604), (108, 197866), (114, 187452), (123, 173736), (127, 168264), (152, 140589), (164, 130302), (171, 124968), (216, 98933), (228, 93726), (246, 86868), (254, 84132), (328, 65151), (342, 62484), (369, 57912), (381, 56088), (456, 46863), (492, 43434), (508, 42066), (513, 41656), (684, 31242), (738, 28956), (762, 28044), (779, 27432), (984, 21717), (1016, 21033), (1026, 20828), (1107, 19304), (1143, 18696), (1368, 15621), (1476, 14478), (1524, 14022), (1558, 13716), (2052, 10414), (2214, 9652), (2286, 9348), (2337, 9144), (2413, 8856), (2952, 7239), (3048, 7011), (3116, 6858), (3429, 6232), (4104, 5207), (4428, 4826), (4572, 4674)]