21260921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{4591}}^1$

素因数の和:5023

約数の個数: 8

約数和(自身を含む): 23253888

約数和(自身を除く): 1992967

約数列:

[1, 11, 421, 4591, 4631, 50501, 1932811, 21260921]

約数ペア:

[(1, 21260921), (11, 1932811), (421, 50501), (4591, 4631)]