21624081

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1481}}^1$

素因数の和:1672

約数の個数: 16

約数和(自身を含む): 29971968

約数和(自身を除く): 8347887

約数列:

[1, 3, 31, 93, 157, 471, 1481, 4443, 4867, 14601, 45911, 137733, 232517, 697551, 7208027, 21624081]

約数ペア:

[(1, 21624081), (3, 7208027), (31, 697551), (93, 232517), (157, 137733), (471, 45911), (1481, 14601), (4443, 4867)]