21919045415

素因数分解:

$5^1\times {\mathrm{823}}^1\times {\mathrm{1451}}^1\times {\mathrm{3671}}^1$

素因数の和:5950

約数の個数: 16

約数和(自身を含む): 26360142336

約数和(自身を除く): 4441096921

約数列:

[1, 5, 823, 1451, 3671, 4115, 7255, 18355, 1194173, 3021233, 5326621, 5970865, 15106165, 26633105, 4383809083, 21919045415]

約数ペア:

[(1, 21919045415), (5, 4383809083), (823, 26633105), (1451, 15106165), (3671, 5970865), (4115, 5326621), (7255, 3021233), (18355, 1194173)]