21828578

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{2879}}^1$

素因数の和:3121

約数の個数: 16

約数和(自身を含む): 34836480

約数和(自身を除く): 13007902

約数列:

[1, 2, 17, 34, 223, 446, 2879, 3791, 5758, 7582, 48943, 97886, 642017, 1284034, 10914289, 21828578]

約数ペア:

[(1, 21828578), (2, 10914289), (17, 1284034), (34, 642017), (223, 97886), (446, 48943), (2879, 7582), (3791, 5758)]