21078675

素因数分解:

$3^2\times 5^2\times {\mathrm{93683}}^1$

素因数の和:93699

約数の個数: 18

約数和(自身を含む): 37754652

約数和(自身を除く): 16675977

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 93683, 281049, 468415, 843147, 1405245, 2342075, 4215735, 7026225, 21078675]

約数ペア:

[(1, 21078675), (3, 7026225), (5, 4215735), (9, 2342075), (15, 1405245), (25, 843147), (45, 468415), (75, 281049), (225, 93683)]