21083375

素因数分解:

$5^3\times {\mathrm{151}}^1\times {\mathrm{1117}}^1$

素因数の和:1283

約数の個数: 16

約数和(自身を含む): 26510016

約数和(自身を除く): 5426641

約数列:

[1, 5, 25, 125, 151, 755, 1117, 3775, 5585, 18875, 27925, 139625, 168667, 843335, 4216675, 21083375]

約数ペア:

[(1, 21083375), (5, 4216675), (25, 843335), (125, 168667), (151, 139625), (755, 27925), (1117, 18875), (3775, 5585)]