21778652

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26821}}^1$

素因数の和:26861

約数の個数: 24

約数和(自身を含む): 45060960

約数和(自身を除く): 23282308

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 26821, 53642, 107284, 187747, 375494, 750988, 777809, 1555618, 3111236, 5444663, 10889326, 21778652]

約数ペア:

[(1, 21778652), (2, 10889326), (4, 5444663), (7, 3111236), (14, 1555618), (28, 777809), (29, 750988), (58, 375494), (116, 187747), (203, 107284), (406, 53642), (812, 26821)]