21103633492

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{4993}}^1\times {\mathrm{19937}}^1$

素因数の和:24987

約数の個数: 24

約数和(自身を含む): 37637600616

約数和(自身を除く): 16533967124

約数列:

[1, 2, 4, 53, 106, 212, 4993, 9986, 19937, 19972, 39874, 79748, 264629, 529258, 1056661, 1058516, 2113322, 4226644, 99545441, 199090882, 398181764, 5275908373, 10551816746, 21103633492]

約数ペア:

[(1, 21103633492), (2, 10551816746), (4, 5275908373), (53, 398181764), (106, 199090882), (212, 99545441), (4993, 4226644), (9986, 2113322), (19937, 1058516), (19972, 1056661), (39874, 529258), (79748, 264629)]