21886868

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{176507}}^1$

素因数の和:176542

約数の個数: 12

約数和(自身を含む): 39537792

約数和(自身を除く): 17650924

約数列:

[1, 2, 4, 31, 62, 124, 176507, 353014, 706028, 5471717, 10943434, 21886868]

約数ペア:

[(1, 21886868), (2, 10943434), (4, 5471717), (31, 706028), (62, 353014), (124, 176507)]