21396588

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 51654624

約数和(自身を除く): 30258036

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 157, 164, 246, 277, 314, 471, 492, 554, 628, 831, 942, 1108, 1662, 1884, 3324, 6437, 11357, 12874, 19311, 22714, 25748, 34071, 38622, 43489, 45428, 68142, 77244, 86978, 130467, 136284, 173956, 260934, 521868, 1783049, 3566098, 5349147, 7132196, 10698294, 21396588]

約数ペア:

[(1, 21396588), (2, 10698294), (3, 7132196), (4, 5349147), (6, 3566098), (12, 1783049), (41, 521868), (82, 260934), (123, 173956), (157, 136284), (164, 130467), (246, 86978), (277, 77244), (314, 68142), (471, 45428), (492, 43489), (554, 38622), (628, 34071), (831, 25748), (942, 22714), (1108, 19311), (1662, 12874), (1884, 11357), (3324, 6437)]