21807432

素因数分解:

$2^3\times 3^2\times {\mathrm{139}}^1\times {\mathrm{2179}}^1$

素因数の和:2330

約数の個数: 48

約数和(自身を含む): 59514000

約数和(自身を除く): 37706568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 139, 278, 417, 556, 834, 1112, 1251, 1668, 2179, 2502, 3336, 4358, 5004, 6537, 8716, 10008, 13074, 17432, 19611, 26148, 39222, 52296, 78444, 156888, 302881, 605762, 908643, 1211524, 1817286, 2423048, 2725929, 3634572, 5451858, 7269144, 10903716, 21807432]

約数ペア:

[(1, 21807432), (2, 10903716), (3, 7269144), (4, 5451858), (6, 3634572), (8, 2725929), (9, 2423048), (12, 1817286), (18, 1211524), (24, 908643), (36, 605762), (72, 302881), (139, 156888), (278, 78444), (417, 52296), (556, 39222), (834, 26148), (1112, 19611), (1251, 17432), (1668, 13074), (2179, 10008), (2502, 8716), (3336, 6537), (4358, 5004)]