21578568

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{81737}}^1$

素因数の和:81757

約数の個数: 32

約数和(自身を含む): 58851360

約数和(自身を除く): 37272792

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 81737, 163474, 245211, 326948, 490422, 653896, 899107, 980844, 1798214, 1961688, 2697321, 3596428, 5394642, 7192856, 10789284, 21578568]

約数ペア:

[(1, 21578568), (2, 10789284), (3, 7192856), (4, 5394642), (6, 3596428), (8, 2697321), (11, 1961688), (12, 1798214), (22, 980844), (24, 899107), (33, 653896), (44, 490422), (66, 326948), (88, 245211), (132, 163474), (264, 81737)]