21743395

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2663}}^1$

素因数の和:2762

約数の個数: 16

約数和(自身を含む): 27620352

約数和(自身を除く): 5876957

約数列:

[1, 5, 23, 71, 115, 355, 1633, 2663, 8165, 13315, 61249, 189073, 306245, 945365, 4348679, 21743395]

約数ペア:

[(1, 21743395), (5, 4348679), (23, 945365), (71, 306245), (115, 189073), (355, 61249), (1633, 13315), (2663, 8165)]