21533468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15787}}^1$

素因数の和:15833

約数の個数: 24

約数和(自身を含む): 42438144

約数和(自身を除く): 20904676

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15787, 31574, 63148, 173657, 347314, 489397, 694628, 978794, 1957588, 5383367, 10766734, 21533468]

約数ペア:

[(1, 21533468), (2, 10766734), (4, 5383367), (11, 1957588), (22, 978794), (31, 694628), (44, 489397), (62, 347314), (124, 173657), (341, 63148), (682, 31574), (1364, 15787)]