21246908

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{1213}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 38750880

約数和(自身を除く): 17503972

約数列:

[1, 2, 4, 29, 58, 116, 151, 302, 604, 1213, 2426, 4379, 4852, 8758, 17516, 35177, 70354, 140708, 183163, 366326, 732652, 5311727, 10623454, 21246908]

約数ペア:

[(1, 21246908), (2, 10623454), (4, 5311727), (29, 732652), (58, 366326), (116, 183163), (151, 140708), (302, 70354), (604, 35177), (1213, 17516), (2426, 8758), (4379, 4852)]