21904106

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53951}}^1$

素因数の和:53989

約数の個数: 16

約数和(自身を含む): 38845440

約数和(自身を除く): 16941334

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 53951, 107902, 377657, 755314, 1564579, 3129158, 10952053, 21904106]

約数ペア:

[(1, 21904106), (2, 10952053), (7, 3129158), (14, 1564579), (29, 755314), (58, 377657), (203, 107902), (406, 53951)]