21141675

素因数分解:

$3^3\times 5^2\times {\mathrm{31321}}^1$

素因数の和:31340

約数の個数: 24

約数和(自身を含む): 38839280

約数和(自身を除く): 17697605

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 31321, 93963, 156605, 281889, 469815, 783025, 845667, 1409445, 2349075, 4228335, 7047225, 21141675]

約数ペア:

[(1, 21141675), (3, 7047225), (5, 4228335), (9, 2349075), (15, 1409445), (25, 845667), (27, 783025), (45, 469815), (75, 281889), (135, 156605), (225, 93963), (675, 31321)]