21346533

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4243}}^1$

素因数の和:4305

約数の個数: 24

約数和(自身を含む): 33985952

約数和(自身を除く): 12639419

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 4243, 5031, 12729, 38187, 55159, 165477, 182449, 496431, 547347, 1642041, 2371837, 7115511, 21346533]

約数ペア:

[(1, 21346533), (3, 7115511), (9, 2371837), (13, 1642041), (39, 547347), (43, 496431), (117, 182449), (129, 165477), (387, 55159), (559, 38187), (1677, 12729), (4243, 5031)]