21016272

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 56871360

約数和(自身を除く): 35855088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 59, 82, 118, 123, 164, 177, 181, 236, 246, 328, 354, 362, 472, 492, 543, 656, 708, 724, 944, 984, 1086, 1416, 1448, 1968, 2172, 2419, 2832, 2896, 4344, 4838, 7257, 7421, 8688, 9676, 10679, 14514, 14842, 19352, 21358, 22263, 29028, 29684, 32037, 38704, 42716, 44526, 58056, 59368, 64074, 85432, 89052, 116112, 118736, 128148, 170864, 178104, 256296, 356208, 437839, 512592, 875678, 1313517, 1751356, 2627034, 3502712, 5254068, 7005424, 10508136, 21016272]

約数ペア:

[(1, 21016272), (2, 10508136), (3, 7005424), (4, 5254068), (6, 3502712), (8, 2627034), (12, 1751356), (16, 1313517), (24, 875678), (41, 512592), (48, 437839), (59, 356208), (82, 256296), (118, 178104), (123, 170864), (164, 128148), (177, 118736), (181, 116112), (236, 89052), (246, 85432), (328, 64074), (354, 59368), (362, 58056), (472, 44526), (492, 42716), (543, 38704), (656, 32037), (708, 29684), (724, 29028), (944, 22263), (984, 21358), (1086, 19352), (1416, 14842), (1448, 14514), (1968, 10679), (2172, 9676), (2419, 8688), (2832, 7421), (2896, 7257), (4344, 4838)]