21285675

素因数分解:

$3^2\times 5^2\times {\mathrm{94603}}^1$

素因数の和:94619

約数の個数: 18

約数和(自身を含む): 38125412

約数和(自身を除く): 16839737

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 94603, 283809, 473015, 851427, 1419045, 2365075, 4257135, 7095225, 21285675]

約数ペア:

[(1, 21285675), (3, 7095225), (5, 4257135), (9, 2365075), (15, 1419045), (25, 851427), (45, 473015), (75, 283809), (225, 94603)]