21871794

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8537}}^1$

素因数の和:8610

約数の個数: 32

約数和(自身を含む): 50818176

約数和(自身を除く): 28946382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 8537, 17074, 25611, 51222, 59759, 119518, 179277, 358554, 520757, 1041514, 1562271, 3124542, 3645299, 7290598, 10935897, 21871794]

約数ペア:

[(1, 21871794), (2, 10935897), (3, 7290598), (6, 3645299), (7, 3124542), (14, 1562271), (21, 1041514), (42, 520757), (61, 358554), (122, 179277), (183, 119518), (366, 59759), (427, 51222), (854, 25611), (1281, 17074), (2562, 8537)]