21262826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{7643}}^1$

素因数の和:7765

約数の個数: 16

約数和(自身を含む): 34673184

約数和(自身を除く): 13410358

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 7643, 15286, 99359, 198718, 817801, 1635602, 10631413, 21262826]

約数ペア:

[(1, 21262826), (2, 10631413), (13, 1635602), (26, 817801), (107, 198718), (214, 99359), (1391, 15286), (2782, 7643)]