21848905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2141}}^1$

素因数の和:2316

約数の個数: 16

約数和(自身を含む): 28428624

約数和(自身を除く): 6579719

約数列:

[1, 5, 13, 65, 157, 785, 2041, 2141, 10205, 10705, 27833, 139165, 336137, 1680685, 4369781, 21848905]

約数ペア:

[(1, 21848905), (5, 4369781), (13, 1680685), (65, 336137), (157, 139165), (785, 27833), (2041, 10705), (2141, 10205)]