21534568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{244711}}^1$

素因数の和:244728

約数の個数: 16

約数和(自身を含む): 44048160

約数和(自身を除く): 22513592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 244711, 489422, 978844, 1957688, 2691821, 5383642, 10767284, 21534568]

約数ペア:

[(1, 21534568), (2, 10767284), (4, 5383642), (8, 2691821), (11, 1957688), (22, 978844), (44, 489422), (88, 244711)]