21356590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{125627}}^1$

素因数の和:125651

約数の個数: 16

約数和(自身を含む): 40703472

約数和(自身を除く): 19346882

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 125627, 251254, 628135, 1256270, 2135659, 4271318, 10678295, 21356590]

約数ペア:

[(1, 21356590), (2, 10678295), (5, 4271318), (10, 2135659), (17, 1256270), (34, 628135), (85, 251254), (170, 125627)]