21032035

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 25773120

約数和(自身を除く): 4741085

約数列:

[1, 5, 89, 151, 313, 445, 755, 1565, 13439, 27857, 47263, 67195, 139285, 236315, 4206407, 21032035]

約数ペア:

[(1, 21032035), (5, 4206407), (89, 236315), (151, 139285), (313, 67195), (445, 47263), (755, 27857), (1565, 13439)]