21985834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{2719}}^1$

素因数の和:3045

約数の個数: 16

約数和(自身を含む): 35642880

約数和(自身を除く): 13657046

約数列:

[1, 2, 13, 26, 311, 622, 2719, 4043, 5438, 8086, 35347, 70694, 845609, 1691218, 10992917, 21985834]

約数ペア:

[(1, 21985834), (2, 10992917), (13, 1691218), (26, 845609), (311, 70694), (622, 35347), (2719, 8086), (4043, 5438)]