21192561

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5843}}^1$

素因数の和:5893

約数の個数: 24

約数和(自身を含む): 34035456

約数和(自身を除く): 12842895

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5843, 17529, 52587, 75959, 181133, 227877, 543399, 683631, 1630197, 2354729, 7064187, 21192561]

約数ペア:

[(1, 21192561), (3, 7064187), (9, 2354729), (13, 1630197), (31, 683631), (39, 543399), (93, 227877), (117, 181133), (279, 75959), (403, 52587), (1209, 17529), (3627, 5843)]