21769774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{12497}}^1$

素因数の和:12579

約数の個数: 16

約数和(自身を含む): 35694288

約数和(自身を除く): 13924514

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 12497, 24994, 162461, 324922, 837299, 1674598, 10884887, 21769774]

約数ペア:

[(1, 21769774), (2, 10884887), (13, 1674598), (26, 837299), (67, 324922), (134, 162461), (871, 24994), (1742, 12497)]