21353912

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{50363}}^1$

素因数の和:50422

約数の個数: 16

約数和(自身を含む): 40794840

約数和(自身を除く): 19440928

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 50363, 100726, 201452, 402904, 2669239, 5338478, 10676956, 21353912]

約数ペア:

[(1, 21353912), (2, 10676956), (4, 5338478), (8, 2669239), (53, 402904), (106, 201452), (212, 100726), (424, 50363)]