21313413

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{467}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 33729696

約数和(自身を除く): 12416283

約数列:

[1, 3, 9, 11, 33, 99, 461, 467, 1383, 1401, 4149, 4203, 5071, 5137, 15213, 15411, 45639, 46233, 215287, 645861, 1937583, 2368157, 7104471, 21313413]

約数ペア:

[(1, 21313413), (3, 7104471), (9, 2368157), (11, 1937583), (33, 645861), (99, 215287), (461, 46233), (467, 45639), (1383, 15411), (1401, 15213), (4149, 5137), (4203, 5071)]