21048818

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 16967182

約数列:

[1, 2, 7, 14, 23, 46, 131, 161, 262, 322, 499, 917, 998, 1834, 3013, 3493, 6026, 6986, 11477, 21091, 22954, 42182, 65369, 80339, 130738, 160678, 457583, 915166, 1503487, 3006974, 10524409, 21048818]

約数ペア:

[(1, 21048818), (2, 10524409), (7, 3006974), (14, 1503487), (23, 915166), (46, 457583), (131, 160678), (161, 130738), (262, 80339), (322, 65369), (499, 42182), (917, 22954), (998, 21091), (1834, 11477), (3013, 6986), (3493, 6026)]