21794204

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{4057}}^1$

素因数の和:4157

約数の個数: 24

約数和(自身を含む): 40904640

約数和(自身を除く): 19110436

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 316, 1343, 2686, 4057, 5372, 8114, 16228, 68969, 137938, 275876, 320503, 641006, 1282012, 5448551, 10897102, 21794204]

約数ペア:

[(1, 21794204), (2, 10897102), (4, 5448551), (17, 1282012), (34, 641006), (68, 320503), (79, 275876), (158, 137938), (316, 68969), (1343, 16228), (2686, 8114), (4057, 5372)]