21026258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2281}}^1$

素因数の和:2713

約数の個数: 16

約数和(自身を含む): 34503840

約数和(自身を除く): 13477582

約数列:

[1, 2, 11, 22, 419, 838, 2281, 4562, 4609, 9218, 25091, 50182, 955739, 1911478, 10513129, 21026258]

約数ペア:

[(1, 21026258), (2, 10513129), (11, 1911478), (22, 955739), (419, 50182), (838, 25091), (2281, 9218), (4562, 4609)]