21010295

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2029}}^1$

素因数の和:2162

約数の個数: 16

約数和(自身を含む): 26796000

約数和(自身を除く): 5785705

約数列:

[1, 5, 19, 95, 109, 545, 2029, 2071, 10145, 10355, 38551, 192755, 221161, 1105805, 4202059, 21010295]

約数ペア:

[(1, 21010295), (5, 4202059), (19, 1105805), (95, 221161), (109, 192755), (545, 38551), (2029, 10355), (2071, 10145)]