21800282

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 38489472

約数和(自身を除く): 16689190

約数列:

[1, 2, 7, 14, 73, 83, 146, 166, 257, 511, 514, 581, 1022, 1162, 1799, 3598, 6059, 12118, 18761, 21331, 37522, 42413, 42662, 84826, 131327, 149317, 262654, 298634, 1557163, 3114326, 10900141, 21800282]

約数ペア:

[(1, 21800282), (2, 10900141), (7, 3114326), (14, 1557163), (73, 298634), (83, 262654), (146, 149317), (166, 131327), (257, 84826), (511, 42662), (514, 42413), (581, 37522), (1022, 21331), (1162, 18761), (1799, 12118), (3598, 6059)]