21376125

素因数分解:

$3^2\times 5^3\times {\mathrm{19001}}^1$

素因数の和:19022

約数の個数: 24

約数和(自身を含む): 38536056

約数和(自身を除く): 17159931

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 19001, 57003, 95005, 171009, 285015, 475025, 855045, 1425075, 2375125, 4275225, 7125375, 21376125]

約数ペア:

[(1, 21376125), (3, 7125375), (5, 4275225), (9, 2375125), (15, 1425075), (25, 855045), (45, 475025), (75, 285015), (125, 171009), (225, 95005), (375, 57003), (1125, 19001)]