21822820

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2879}}^1$

素因数の和:3267

約数の個数: 24

約数和(自身を含む): 45964800

約数和(自身を除く): 24141980

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 2879, 3790, 5758, 7580, 11516, 14395, 28790, 57580, 1091141, 2182282, 4364564, 5455705, 10911410, 21822820]

約数ペア:

[(1, 21822820), (2, 10911410), (4, 5455705), (5, 4364564), (10, 2182282), (20, 1091141), (379, 57580), (758, 28790), (1516, 14395), (1895, 11516), (2879, 7580), (3790, 5758)]