21223252

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{757}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 38288096

約数和(自身を除く): 17064844

約数列:

[1, 2, 4, 43, 86, 163, 172, 326, 652, 757, 1514, 3028, 7009, 14018, 28036, 32551, 65102, 123391, 130204, 246782, 493564, 5305813, 10611626, 21223252]

約数ペア:

[(1, 21223252), (2, 10611626), (4, 5305813), (43, 493564), (86, 246782), (163, 130204), (172, 123391), (326, 65102), (652, 32551), (757, 28036), (1514, 14018), (3028, 7009)]