21233511

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1429}}^1$

素因数の和:1575

約数の個数: 24

約数和(自身を含む): 33313280

約数和(自身を除く): 12079769

約数列:

[1, 3, 9, 13, 39, 117, 127, 381, 1143, 1429, 1651, 4287, 4953, 12861, 14859, 18577, 55731, 167193, 181483, 544449, 1633347, 2359279, 7077837, 21233511]

約数ペア:

[(1, 21233511), (3, 7077837), (9, 2359279), (13, 1633347), (39, 544449), (117, 181483), (127, 167193), (381, 55731), (1143, 18577), (1429, 14859), (1651, 12861), (4287, 4953)]