21373786

素因数分解:

$2^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{4909}}^1$

素因数の和:5229

約数の個数: 16

約数和(自身を含む): 36766080

約数和(自身を除く): 15392294

約数列:

[1, 2, 7, 14, 311, 622, 2177, 4354, 4909, 9818, 34363, 68726, 1526699, 3053398, 10686893, 21373786]

約数ペア:

[(1, 21373786), (2, 10686893), (7, 3053398), (14, 1526699), (311, 68726), (622, 34363), (2177, 9818), (4354, 4909)]