21554827

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5843}}^1$

素因数の和:5898

約数の個数: 16

約数和(自身を含む): 26929152

約数和(自身を除く): 5374325

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 5843, 40901, 99331, 181133, 695317, 1267931, 3079261, 21554827]

約数ペア:

[(1, 21554827), (7, 3079261), (17, 1267931), (31, 695317), (119, 181133), (217, 99331), (527, 40901), (3689, 5843)]