21107950

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{5783}}^1$

素因数の和:5868

約数の個数: 24

約数和(自身を含む): 39805488

約数和(自身を除く): 18697538

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 365, 730, 1825, 3650, 5783, 11566, 28915, 57830, 144575, 289150, 422159, 844318, 2110795, 4221590, 10553975, 21107950]

約数ペア:

[(1, 21107950), (2, 10553975), (5, 4221590), (10, 2110795), (25, 844318), (50, 422159), (73, 289150), (146, 144575), (365, 57830), (730, 28915), (1825, 11566), (3650, 5783)]