21675375

素因数分解:

$3^2\times 5^3\times {\mathrm{19267}}^1$

素因数の和:19288

約数の個数: 24

約数和(自身を含む): 39075504

約数和(自身を除く): 17400129

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 19267, 57801, 96335, 173403, 289005, 481675, 867015, 1445025, 2408375, 4335075, 7225125, 21675375]

約数ペア:

[(1, 21675375), (3, 7225125), (5, 4335075), (9, 2408375), (15, 1445025), (25, 867015), (45, 481675), (75, 289005), (125, 173403), (225, 96335), (375, 57801), (1125, 19267)]