21277011

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{3061}}^1$

素因数の和:3402

約数の個数: 16

約数和(自身を含む): 32530688

約数和(自身を除く): 11253677

約数列:

[1, 3, 7, 21, 331, 993, 2317, 3061, 6951, 9183, 21427, 64281, 1013191, 3039573, 7092337, 21277011]

約数ペア:

[(1, 21277011), (3, 7092337), (7, 3039573), (21, 1013191), (331, 64281), (993, 21427), (2317, 9183), (3061, 6951)]