21248885

素因数分解:

$5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{6011}}^1$

素因数の和:6124

約数の個数: 16

約数和(自身を含む): 29434752

約数和(自身を除く): 8185867

約数列:

[1, 5, 7, 35, 101, 505, 707, 3535, 6011, 30055, 42077, 210385, 607111, 3035555, 4249777, 21248885]

約数ペア:

[(1, 21248885), (5, 4249777), (7, 3035555), (35, 607111), (101, 210385), (505, 42077), (707, 30055), (3535, 6011)]