21132225

素因数分解:

$3^3\times 5^2\times {\mathrm{31307}}^1$

素因数の和:31326

約数の個数: 24

約数和(自身を含む): 38821920

約数和(自身を除く): 17689695

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 31307, 93921, 156535, 281763, 469605, 782675, 845289, 1408815, 2348025, 4226445, 7044075, 21132225]

約数ペア:

[(1, 21132225), (3, 7044075), (5, 4226445), (9, 2348025), (15, 1408815), (25, 845289), (27, 782675), (45, 469605), (75, 281763), (135, 156535), (225, 93921), (675, 31307)]