21638072

素因数分解:

$2^3\times {\mathrm{911}}^1\times {\mathrm{2969}}^1$

素因数の和:3886

約数の個数: 16

約数和(自身を含む): 40629600

約数和(自身を除く): 18991528

約数列:

[1, 2, 4, 8, 911, 1822, 2969, 3644, 5938, 7288, 11876, 23752, 2704759, 5409518, 10819036, 21638072]

約数ペア:

[(1, 21638072), (2, 10819036), (4, 5409518), (8, 2704759), (911, 23752), (1822, 11876), (2969, 7288), (3644, 5938)]