21373204

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{557}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 38388168

約数和(自身を除く): 17014964

約数列:

[1, 2, 4, 53, 106, 181, 212, 362, 557, 724, 1114, 2228, 9593, 19186, 29521, 38372, 59042, 100817, 118084, 201634, 403268, 5343301, 10686602, 21373204]

約数ペア:

[(1, 21373204), (2, 10686602), (4, 5343301), (53, 403268), (106, 201634), (181, 118084), (212, 100817), (362, 59042), (557, 38372), (724, 29521), (1114, 19186), (2228, 9593)]