21224217

素因数分解:

$3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{3229}}^1$

素因数の和:3552

約数の個数: 16

約数和(自身を含む): 32455040

約数和(自身を除く): 11230823

約数列:

[1, 3, 7, 21, 313, 939, 2191, 3229, 6573, 9687, 22603, 67809, 1010677, 3032031, 7074739, 21224217]

約数ペア:

[(1, 21224217), (3, 7074739), (7, 3032031), (21, 1010677), (313, 67809), (939, 22603), (2191, 9687), (3229, 6573)]