21821254

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2551}}^1$

素因数の和:2620

約数の個数: 32

約数和(自身を含む): 41158656

約数和(自身を除く): 19337402

約数列:

[1, 2, 7, 13, 14, 26, 47, 91, 94, 182, 329, 611, 658, 1222, 2551, 4277, 5102, 8554, 17857, 33163, 35714, 66326, 119897, 232141, 239794, 464282, 839279, 1558661, 1678558, 3117322, 10910627, 21821254]

約数ペア:

[(1, 21821254), (2, 10910627), (7, 3117322), (13, 1678558), (14, 1558661), (26, 839279), (47, 464282), (91, 239794), (94, 232141), (182, 119897), (329, 66326), (611, 35714), (658, 33163), (1222, 17857), (2551, 8554), (4277, 5102)]