21924620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17971}}^1$

素因数の和:18041

約数の個数: 24

約数和(自身を含む): 46799088

約数和(自身を除く): 24874468

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 17971, 35942, 71884, 89855, 179710, 359420, 1096231, 2192462, 4384924, 5481155, 10962310, 21924620]

約数ペア:

[(1, 21924620), (2, 10962310), (4, 5481155), (5, 4384924), (10, 2192462), (20, 1096231), (61, 359420), (122, 179710), (244, 89855), (305, 71884), (610, 35942), (1220, 17971)]