21432177

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2207}}^1$

素因数の和:2309

約数の個数: 24

約数和(自身を含む): 33755904

約数和(自身を除く): 12323727

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 2207, 3237, 6621, 9711, 19863, 28691, 86073, 183181, 258219, 549543, 1648629, 2381353, 7144059, 21432177]

約数ペア:

[(1, 21432177), (3, 7144059), (9, 2381353), (13, 1648629), (39, 549543), (83, 258219), (117, 183181), (249, 86073), (747, 28691), (1079, 19863), (2207, 9711), (3237, 6621)]