21880964

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26947}}^1$

素因数の和:26987

約数の個数: 24

約数和(自身を含む): 45272640

約数和(自身を除く): 23391676

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 26947, 53894, 107788, 188629, 377258, 754516, 781463, 1562926, 3125852, 5470241, 10940482, 21880964]

約数ペア:

[(1, 21880964), (2, 10940482), (4, 5470241), (7, 3125852), (14, 1562926), (28, 781463), (29, 754516), (58, 377258), (116, 188629), (203, 107788), (406, 53894), (812, 26947)]