21046558

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{2039}}^1$

素因数の和:2451

約数の個数: 16

約数和(自身を含む): 34100640

約数和(自身を除く): 13054082

約数列:

[1, 2, 13, 26, 397, 794, 2039, 4078, 5161, 10322, 26507, 53014, 809483, 1618966, 10523279, 21046558]

約数ペア:

[(1, 21046558), (2, 10523279), (13, 1618966), (26, 809483), (397, 53014), (794, 26507), (2039, 10322), (4078, 5161)]