21077580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351293}}^1$

素因数の和:351305

約数の個数: 24

約数和(自身を含む): 59017392

約数和(自身を除く): 37939812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351293, 702586, 1053879, 1405172, 1756465, 2107758, 3512930, 4215516, 5269395, 7025860, 10538790, 21077580]

約数ペア:

[(1, 21077580), (2, 10538790), (3, 7025860), (4, 5269395), (5, 4215516), (6, 3512930), (10, 2107758), (12, 1756465), (15, 1405172), (20, 1053879), (30, 702586), (60, 351293)]