21719324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{493621}}^1$

素因数の和:493636

約数の個数: 12

約数和(自身を含む): 41464248

約数和(自身を除く): 19744924

約数列:

[1, 2, 4, 11, 22, 44, 493621, 987242, 1974484, 5429831, 10859662, 21719324]

約数ペア:

[(1, 21719324), (2, 10859662), (4, 5429831), (11, 1974484), (22, 987242), (44, 493621)]