21160340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22511}}^1$

素因数の和:22567

約数の個数: 24

約数和(自身を含む): 45384192

約数和(自身を除く): 24223852

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 22511, 45022, 90044, 112555, 225110, 450220, 1058017, 2116034, 4232068, 5290085, 10580170, 21160340]

約数ペア:

[(1, 21160340), (2, 10580170), (4, 5290085), (5, 4232068), (10, 2116034), (20, 1058017), (47, 450220), (94, 225110), (188, 112555), (235, 90044), (470, 45022), (940, 22511)]