21283834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{74419}}^1$

素因数の和:74445

約数の個数: 16

約数和(自身を含む): 37507680

約数和(自身を除く): 16223846

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 74419, 148838, 818609, 967447, 1637218, 1934894, 10641917, 21283834]

約数ペア:

[(1, 21283834), (2, 10641917), (11, 1934894), (13, 1637218), (22, 967447), (26, 818609), (143, 148838), (286, 74419)]