21624615

素因数分解:

$3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{727}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 37591008

約数和(自身を除く): 15966393

約数列:

[1, 3, 5, 9, 15, 45, 661, 727, 1983, 2181, 3305, 3635, 5949, 6543, 9915, 10905, 29745, 32715, 480547, 1441641, 2402735, 4324923, 7208205, 21624615]

約数ペア:

[(1, 21624615), (3, 7208205), (5, 4324923), (9, 2402735), (15, 1441641), (45, 480547), (661, 32715), (727, 29745), (1983, 10905), (2181, 9915), (3305, 6543), (3635, 5949)]