21027831

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5639}}^1$

素因数の和:5766

約数の個数: 16

約数和(自身を含む): 30862080

約数和(自身を除く): 9834249

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5639, 16917, 62029, 186087, 637207, 1911621, 7009277, 21027831]

約数ペア:

[(1, 21027831), (3, 7009277), (11, 1911621), (33, 637207), (113, 186087), (339, 62029), (1243, 16917), (3729, 5639)]