21640124

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{44711}}^1$

素因数の和:44737

約数の個数: 18

約数和(自身を含む): 41626872

約数和(自身を除く): 19986748

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 44711, 89422, 178844, 491821, 983642, 1967284, 5410031, 10820062, 21640124]

約数ペア:

[(1, 21640124), (2, 10820062), (4, 5410031), (11, 1967284), (22, 983642), (44, 491821), (121, 178844), (242, 89422), (484, 44711)]