21883276

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{947}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 39417840

約数和(自身を除く): 17534564

約数列:

[1, 2, 4, 53, 106, 109, 212, 218, 436, 947, 1894, 3788, 5777, 11554, 23108, 50191, 100382, 103223, 200764, 206446, 412892, 5470819, 10941638, 21883276]

約数ペア:

[(1, 21883276), (2, 10941638), (4, 5470819), (53, 412892), (106, 206446), (109, 200764), (212, 103223), (218, 100382), (436, 50191), (947, 23108), (1894, 11554), (3788, 5777)]