20210619

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47111}}^1$

素因数の和:47138

約数の個数: 16

約数和(自身を含む): 31659264

約数和(自身を除く): 11448645

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 47111, 141333, 518221, 612443, 1554663, 1837329, 6736873, 20210619]

約数ペア:

[(1, 20210619), (3, 6736873), (11, 1837329), (13, 1554663), (33, 612443), (39, 518221), (143, 141333), (429, 47111)]