21358492

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{1103}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 38578176

約数和(自身を除く): 17219684

約数列:

[1, 2, 4, 47, 94, 103, 188, 206, 412, 1103, 2206, 4412, 4841, 9682, 19364, 51841, 103682, 113609, 207364, 227218, 454436, 5339623, 10679246, 21358492]

約数ペア:

[(1, 21358492), (2, 10679246), (4, 5339623), (47, 454436), (94, 227218), (103, 207364), (188, 113609), (206, 103682), (412, 51841), (1103, 19364), (2206, 9682), (4412, 4841)]