21476847

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{757}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 33527856

約数和(自身を除く): 12051009

約数列:

[1, 3, 7, 21, 49, 147, 193, 579, 757, 1351, 2271, 4053, 5299, 9457, 15897, 28371, 37093, 111279, 146101, 438303, 1022707, 3068121, 7158949, 21476847]

約数ペア:

[(1, 21476847), (3, 7158949), (7, 3068121), (21, 1022707), (49, 438303), (147, 146101), (193, 111279), (579, 37093), (757, 28371), (1351, 15897), (2271, 9457), (4053, 5299)]