21821332

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3019}}^1$

素因数の和:3175

約数の個数: 24

約数和(自身を含む): 41434400

約数和(自身を除く): 19613068

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3019, 3614, 6038, 7228, 12076, 39247, 78494, 156988, 419641, 839282, 1678564, 5455333, 10910666, 21821332]

約数ペア:

[(1, 21821332), (2, 10910666), (4, 5455333), (13, 1678564), (26, 839282), (52, 419641), (139, 156988), (278, 78494), (556, 39247), (1807, 12076), (3019, 7228), (3614, 6038)]