21080577

素因数分解:

$3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{6011}}^1$

素因数の和:6188

約数の個数: 16

約数和(自身を含む): 32320512

約数和(自身を除く): 11239935

約数列:

[1, 3, 7, 21, 167, 501, 1169, 3507, 6011, 18033, 42077, 126231, 1003837, 3011511, 7026859, 21080577]

約数ペア:

[(1, 21080577), (3, 7026859), (7, 3011511), (21, 1003837), (167, 126231), (501, 42077), (1169, 18033), (3507, 6011)]