21154898

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{2251}}^1$

素因数の和:2417

約数の個数: 16

約数和(自身を含む): 32861184

約数和(自身を除く): 11706286

約数列:

[1, 2, 37, 74, 127, 254, 2251, 4502, 4699, 9398, 83287, 166574, 285877, 571754, 10577449, 21154898]

約数ペア:

[(1, 21154898), (2, 10577449), (37, 571754), (74, 285877), (127, 166574), (254, 83287), (2251, 9398), (4502, 4699)]