21070948

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{677}}^1$

素因数の和:963

約数の個数: 24

約数和(自身を含む): 38271744

約数和(自身を除く): 17200796

約数列:

[1, 2, 4, 31, 62, 124, 251, 502, 677, 1004, 1354, 2708, 7781, 15562, 20987, 31124, 41974, 83948, 169927, 339854, 679708, 5267737, 10535474, 21070948]

約数ペア:

[(1, 21070948), (2, 10535474), (4, 5267737), (31, 679708), (62, 339854), (124, 169927), (251, 83948), (502, 41974), (677, 31124), (1004, 20987), (1354, 15562), (2708, 7781)]