21855099

素因数分解:

$3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{2137}}^1$

素因数の和:2634

約数の個数: 16

約数和(自身を含む): 33387008

約数和(自身を除く): 11531909

約数列:

[1, 3, 7, 21, 487, 1461, 2137, 3409, 6411, 10227, 14959, 44877, 1040719, 3122157, 7285033, 21855099]

約数ペア:

[(1, 21855099), (3, 7285033), (7, 3122157), (21, 1040719), (487, 44877), (1461, 14959), (2137, 10227), (3409, 6411)]