21034220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{14407}}^1$

素因数の和:14489

約数の個数: 24

約数和(自身を含む): 44780064

約数和(自身を除く): 23745844

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 14407, 28814, 57628, 72035, 144070, 288140, 1051711, 2103422, 4206844, 5258555, 10517110, 21034220]

約数ペア:

[(1, 21034220), (2, 10517110), (4, 5258555), (5, 4206844), (10, 2103422), (20, 1051711), (73, 288140), (146, 144070), (292, 72035), (365, 57628), (730, 28814), (1460, 14407)]