21939268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{7151}}^1$

素因数の和:7227

約数の個数: 24

約数和(自身を含む): 42053760

約数和(自身を除く): 20114492

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 7151, 14302, 28604, 92963, 185926, 371852, 421909, 843818, 1687636, 5484817, 10969634, 21939268]

約数ペア:

[(1, 21939268), (2, 10969634), (4, 5484817), (13, 1687636), (26, 843818), (52, 421909), (59, 371852), (118, 185926), (236, 92963), (767, 28604), (1534, 14302), (3068, 7151)]