21068086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{7573}}^1$

素因数の和:7695

約数の個数: 16

約数和(自身を含む): 34355664

約数和(自身を除く): 13287578

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 7573, 15146, 98449, 196898, 810311, 1620622, 10534043, 21068086]

約数ペア:

[(1, 21068086), (2, 10534043), (13, 1620622), (26, 810311), (107, 196898), (214, 98449), (1391, 15146), (2782, 7573)]