21404430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2309}}^1$

素因数の和:2425

約数の個数: 48

約数和(自身を含む): 56216160

約数和(自身を除く): 34811730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 103, 206, 309, 515, 618, 927, 1030, 1545, 1854, 2309, 3090, 4618, 4635, 6927, 9270, 11545, 13854, 20781, 23090, 34635, 41562, 69270, 103905, 207810, 237827, 475654, 713481, 1189135, 1426962, 2140443, 2378270, 3567405, 4280886, 7134810, 10702215, 21404430]

約数ペア:

[(1, 21404430), (2, 10702215), (3, 7134810), (5, 4280886), (6, 3567405), (9, 2378270), (10, 2140443), (15, 1426962), (18, 1189135), (30, 713481), (45, 475654), (90, 237827), (103, 207810), (206, 103905), (309, 69270), (515, 41562), (618, 34635), (927, 23090), (1030, 20781), (1545, 13854), (1854, 11545), (2309, 9270), (3090, 6927), (4618, 4635)]