21580968

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{13421}}^1$

素因数の和:13497

約数の個数: 32

約数和(自身を含む): 54761760

約数和(自身を除く): 33180792

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 13421, 26842, 40263, 53684, 80526, 107368, 161052, 322104, 899207, 1798414, 2697621, 3596828, 5395242, 7193656, 10790484, 21580968]

約数ペア:

[(1, 21580968), (2, 10790484), (3, 7193656), (4, 5395242), (6, 3596828), (8, 2697621), (12, 1798414), (24, 899207), (67, 322104), (134, 161052), (201, 107368), (268, 80526), (402, 53684), (536, 40263), (804, 26842), (1608, 13421)]