21105912

素因数分解:

$2^3\times 3^1\times {\mathrm{879413}}^1$

素因数の和:879422

約数の個数: 16

約数和(自身を含む): 52764840

約数和(自身を除く): 31658928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 879413, 1758826, 2638239, 3517652, 5276478, 7035304, 10552956, 21105912]

約数ペア:

[(1, 21105912), (2, 10552956), (3, 7035304), (4, 5276478), (6, 3517652), (8, 2638239), (12, 1758826), (24, 879413)]