21167005855

素因数分解:

$5^1\times {\mathrm{173}}^1\times {\mathrm{2389}}^1\times {\mathrm{10243}}^1$

素因数の和:12810

約数の個数: 16

約数和(自身を含む): 25560419040

約数和(自身を除く): 4393413185

約数列:

[1, 5, 173, 865, 2389, 10243, 11945, 51215, 413297, 1772039, 2066485, 8860195, 24470527, 122352635, 4233401171, 21167005855]

約数ペア:

[(1, 21167005855), (5, 4233401171), (173, 122352635), (865, 24470527), (2389, 8860195), (10243, 2066485), (11945, 1772039), (51215, 413297)]