21829509

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4339}}^1$

素因数の和:4401

約数の個数: 24

約数和(自身を含む): 34754720

約数和(自身を除く): 12925211

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 4339, 5031, 13017, 39051, 56407, 169221, 186577, 507663, 559731, 1679193, 2425501, 7276503, 21829509]

約数ペア:

[(1, 21829509), (3, 7276503), (9, 2425501), (13, 1679193), (39, 559731), (43, 507663), (117, 186577), (129, 169221), (387, 56407), (559, 39051), (1677, 13017), (4339, 5031)]