21034731

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:906

約数の個数: 16

約数和(自身を含む): 28676480

約数和(自身を除く): 7641749

約数列:

[1, 3, 73, 139, 219, 417, 691, 2073, 10147, 30441, 50443, 96049, 151329, 288147, 7011577, 21034731]

約数ペア:

[(1, 21034731), (3, 7011577), (73, 288147), (139, 151329), (219, 96049), (417, 50443), (691, 30441), (2073, 10147)]