21942916

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{569}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 39836160

約数和(自身を除く): 17893244

約数列:

[1, 2, 4, 31, 62, 124, 311, 569, 622, 1138, 1244, 2276, 9641, 17639, 19282, 35278, 38564, 70556, 176959, 353918, 707836, 5485729, 10971458, 21942916]

約数ペア:

[(1, 21942916), (2, 10971458), (4, 5485729), (31, 707836), (62, 353918), (124, 176959), (311, 70556), (569, 38564), (622, 35278), (1138, 19282), (1244, 17639), (2276, 9641)]