21129848

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{85201}}^1$

素因数の和:85238

約数の個数: 16

約数和(自身を含む): 40896960

約数和(自身を除く): 19767112

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 85201, 170402, 340804, 681608, 2641231, 5282462, 10564924, 21129848]

約数ペア:

[(1, 21129848), (2, 10564924), (4, 5282462), (8, 2641231), (31, 681608), (62, 340804), (124, 170402), (248, 85201)]