21318625

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{5881}}^1$

素因数の和:5925

約数の個数: 16

約数和(自身を含む): 27527760

約数和(自身を除く): 6209135

約数列:

[1, 5, 25, 29, 125, 145, 725, 3625, 5881, 29405, 147025, 170549, 735125, 852745, 4263725, 21318625]

約数ペア:

[(1, 21318625), (5, 4263725), (25, 852745), (29, 735125), (125, 170549), (145, 147025), (725, 29405), (3625, 5881)]