21406635

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25037}}^1$

素因数の和:25067

約数の個数: 24

約数和(自身を含む): 39059280

約数和(自身を除く): 17652645

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 25037, 75111, 125185, 225333, 375555, 475703, 1126665, 1427109, 2378515, 4281327, 7135545, 21406635]

約数ペア:

[(1, 21406635), (3, 7135545), (5, 4281327), (9, 2378515), (15, 1427109), (19, 1126665), (45, 475703), (57, 375555), (95, 225333), (171, 125185), (285, 75111), (855, 25037)]