21730036

素因数分解:

$2^2\times {\mathrm{443}}^1\times {\mathrm{12263}}^1$

素因数の和:12710

約数の個数: 12

約数和(自身を含む): 38116512

約数和(自身を除く): 16386476

約数列:

[1, 2, 4, 443, 886, 1772, 12263, 24526, 49052, 5432509, 10865018, 21730036]

約数ペア:

[(1, 21730036), (2, 10865018), (4, 5432509), (443, 49052), (886, 24526), (1772, 12263)]