21555948

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{33893}}^1$

素因数の和:33953

約数の個数: 24

約数和(自身を含む): 51247728

約数和(自身を除く): 29691780

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 33893, 67786, 101679, 135572, 203358, 406716, 1796329, 3592658, 5388987, 7185316, 10777974, 21555948]

約数ペア:

[(1, 21555948), (2, 10777974), (3, 7185316), (4, 5388987), (6, 3592658), (12, 1796329), (53, 406716), (106, 203358), (159, 135572), (212, 101679), (318, 67786), (636, 33893)]