21101894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2657}}^1$

素因数の和:2708

約数の個数: 24

約数和(自身を含む): 36457128

約数和(自身を除く): 15355234

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 2657, 3971, 5314, 7942, 29227, 50483, 58454, 100966, 555313, 959177, 1110626, 1918354, 10550947, 21101894]

約数ペア:

[(1, 21101894), (2, 10550947), (11, 1918354), (19, 1110626), (22, 959177), (38, 555313), (209, 100966), (361, 58454), (418, 50483), (722, 29227), (2657, 7942), (3971, 5314)]