21332717

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 25006080

約数和(自身を除く): 3673363

約数列:

[1, 7, 73, 109, 383, 511, 763, 2681, 7957, 27959, 41747, 55699, 195713, 292229, 3047531, 21332717]

約数ペア:

[(1, 21332717), (7, 3047531), (73, 292229), (109, 195713), (383, 55699), (511, 41747), (763, 27959), (2681, 7957)]