21112533

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4877}}^1$

素因数の和:4933

約数の個数: 24

約数和(自身を含む): 33736248

約数和(自身を除く): 12623715

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 4877, 14631, 43893, 63401, 180449, 190203, 541347, 570609, 1624041, 2345837, 7037511, 21112533]

約数ペア:

[(1, 21112533), (3, 7037511), (9, 2345837), (13, 1624041), (37, 570609), (39, 541347), (111, 190203), (117, 180449), (333, 63401), (481, 43893), (1443, 14631), (4329, 4877)]