21556934

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66947}}^1$

素因数の和:66979

約数の個数: 16

約数和(自身を含む): 38562048

約数和(自身を除く): 17005114

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 66947, 133894, 468629, 937258, 1539781, 3079562, 10778467, 21556934]

約数ペア:

[(1, 21556934), (2, 10778467), (7, 3079562), (14, 1539781), (23, 937258), (46, 468629), (161, 133894), (322, 66947)]