21872612

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1201}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 39882360

約数和(自身を除く): 18009748

約数列:

[1, 2, 4, 29, 58, 116, 157, 314, 628, 1201, 2402, 4553, 4804, 9106, 18212, 34829, 69658, 139316, 188557, 377114, 754228, 5468153, 10936306, 21872612]

約数ペア:

[(1, 21872612), (2, 10936306), (4, 5468153), (29, 754228), (58, 377114), (116, 188557), (157, 139316), (314, 69658), (628, 34829), (1201, 18212), (2402, 9106), (4553, 4804)]