21156247364

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1559}}^1\times {\mathrm{4289}}^1$

素因数の和:5972

約数の個数: 48

約数和(自身を含む): 42724281600

約数和(自身を除く): 21568034236

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1559, 1582, 3118, 3164, 4289, 6236, 8578, 10913, 17156, 21826, 30023, 43652, 60046, 120092, 176167, 352334, 484657, 704668, 969314, 1233169, 1938628, 2466338, 3392599, 4932676, 6686551, 6785198, 13373102, 13570396, 26746204, 46805857, 93611714, 187223428, 755580263, 1511160526, 3022321052, 5289061841, 10578123682, 21156247364]

約数ペア:

[(1, 21156247364), (2, 10578123682), (4, 5289061841), (7, 3022321052), (14, 1511160526), (28, 755580263), (113, 187223428), (226, 93611714), (452, 46805857), (791, 26746204), (1559, 13570396), (1582, 13373102), (3118, 6785198), (3164, 6686551), (4289, 4932676), (6236, 3392599), (8578, 2466338), (10913, 1938628), (17156, 1233169), (21826, 969314), (30023, 704668), (43652, 484657), (60046, 352334), (120092, 176167)]