21000471485

素因数分解:

$5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1583149}}^1$

素因数の和:1583540

約数の個数: 16

約数和(自身を含む): 28876656000

約数和(自身を除く): 7876184515

約数列:

[1, 5, 7, 35, 379, 1895, 2653, 13265, 1583149, 7915745, 11082043, 55410215, 600013471, 3000067355, 4200094297, 21000471485]

約数ペア:

[(1, 21000471485), (5, 4200094297), (7, 3000067355), (35, 600013471), (379, 55410215), (1895, 11082043), (2653, 7915745), (13265, 1583149)]