21313156

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{773}}^1$

素因数の和:951

約数の個数: 24

約数和(自身を含む): 38294424

約数和(自身を除く): 16981268

約数列:

[1, 2, 4, 61, 113, 122, 226, 244, 452, 773, 1546, 3092, 6893, 13786, 27572, 47153, 87349, 94306, 174698, 188612, 349396, 5328289, 10656578, 21313156]

約数ペア:

[(1, 21313156), (2, 10656578), (4, 5328289), (61, 349396), (113, 188612), (122, 174698), (226, 94306), (244, 87349), (452, 47153), (773, 27572), (1546, 13786), (3092, 6893)]