21169645

素因数分解:

$5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{1063}}^1$

素因数の和:1644

約数の個数: 16

約数和(自身を含む): 29111040

約数和(自身を除く): 7941395

約数列:

[1, 5, 7, 35, 569, 1063, 2845, 3983, 5315, 7441, 19915, 37205, 604847, 3024235, 4233929, 21169645]

約数ペア:

[(1, 21169645), (5, 4233929), (7, 3024235), (35, 604847), (569, 37205), (1063, 19915), (2845, 7441), (3983, 5315)]