21038204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3209}}^1$

素因数の和:3373

約数の個数: 24

約数和(自身を含む): 40446000

約数和(自身を除く): 19407796

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 596, 1639, 3209, 3278, 6418, 6556, 12836, 35299, 70598, 141196, 478141, 956282, 1912564, 5259551, 10519102, 21038204]

約数ペア:

[(1, 21038204), (2, 10519102), (4, 5259551), (11, 1912564), (22, 956282), (44, 478141), (149, 141196), (298, 70598), (596, 35299), (1639, 12836), (3209, 6556), (3278, 6418)]