21113488

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{119963}}^1$

素因数の和:119982

約数の個数: 20

約数和(自身を含む): 44626608

約数和(自身を除く): 23513120

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 119963, 239926, 479852, 959704, 1319593, 1919408, 2639186, 5278372, 10556744, 21113488]

約数ペア:

[(1, 21113488), (2, 10556744), (4, 5278372), (8, 2639186), (11, 1919408), (16, 1319593), (22, 959704), (44, 479852), (88, 239926), (176, 119963)]