21000339409

素因数分解:

$7^1\times {\mathrm{6029}}^1\times {\mathrm{497603}}^1$

素因数の和:503639

約数の個数: 8

約数和(自身を含む): 24004416960

約数和(自身を除く): 3004077551

約数列:

[1, 7, 6029, 42203, 497603, 3483221, 3000048487, 21000339409]

約数ペア:

[(1, 21000339409), (7, 3000048487), (6029, 3483221), (42203, 497603)]