21796340

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{14929}}^1$

素因数の和:15011

約数の個数: 24

約数和(自身を含む): 46402440

約数和(自身を除く): 24606100

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 14929, 29858, 59716, 74645, 149290, 298580, 1089817, 2179634, 4359268, 5449085, 10898170, 21796340]

約数ペア:

[(1, 21796340), (2, 10898170), (4, 5449085), (5, 4359268), (10, 2179634), (20, 1089817), (73, 298580), (146, 149290), (292, 74645), (365, 59716), (730, 29858), (1460, 14929)]