21474057

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1249}}^1$

素因数の和:1784

約数の個数: 16

約数和(自身を含む): 31320000

約数和(自身を除く): 9845943

約数列:

[1, 3, 11, 33, 521, 1249, 1563, 3747, 5731, 13739, 17193, 41217, 650729, 1952187, 7158019, 21474057]

約数ペア:

[(1, 21474057), (3, 7158019), (11, 1952187), (33, 650729), (521, 41217), (1249, 17193), (1563, 13739), (3747, 5731)]