21703978

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{1217}}^1$

素因数の和:1497

約数の個数: 16

約数和(自身を含む): 33602184

約数和(自身を除く): 11898206

約数列:

[1, 2, 37, 74, 241, 482, 1217, 2434, 8917, 17834, 45029, 90058, 293297, 586594, 10851989, 21703978]

約数ペア:

[(1, 21703978), (2, 10851989), (37, 586594), (74, 293297), (241, 90058), (482, 45029), (1217, 17834), (2434, 8917)]