21395524

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{90659}}^1$

素因数の和:90722

約数の個数: 12

約数和(自身を含む): 38077200

約数和(自身を除く): 16681676

約数列:

[1, 2, 4, 59, 118, 236, 90659, 181318, 362636, 5348881, 10697762, 21395524]

約数ペア:

[(1, 21395524), (2, 10697762), (4, 5348881), (59, 362636), (118, 181318), (236, 90659)]