21901150

素因数分解:

$2^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{3449}}^1$

素因数の和:3588

約数の個数: 24

約数和(自身を含む): 41068800

約数和(自身を除く): 19167650

約数列:

[1, 2, 5, 10, 25, 50, 127, 254, 635, 1270, 3175, 3449, 6350, 6898, 17245, 34490, 86225, 172450, 438023, 876046, 2190115, 4380230, 10950575, 21901150]

約数ペア:

[(1, 21901150), (2, 10950575), (5, 4380230), (10, 2190115), (25, 876046), (50, 438023), (127, 172450), (254, 86225), (635, 34490), (1270, 17245), (3175, 6898), (3449, 6350)]