21072212

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25951}}^1$

素因数の和:25991

約数の個数: 24

約数和(自身を含む): 43599360

約数和(自身を除く): 22527148

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 25951, 51902, 103804, 181657, 363314, 726628, 752579, 1505158, 3010316, 5268053, 10536106, 21072212]

約数ペア:

[(1, 21072212), (2, 10536106), (4, 5268053), (7, 3010316), (14, 1505158), (28, 752579), (29, 726628), (58, 363314), (116, 181657), (203, 103804), (406, 51902), (812, 25951)]