21057108

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 50878464

約数和(自身を除く): 29821356

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 127, 164, 246, 254, 337, 381, 492, 508, 674, 762, 1011, 1348, 1524, 2022, 4044, 5207, 10414, 13817, 15621, 20828, 27634, 31242, 41451, 42799, 55268, 62484, 82902, 85598, 128397, 165804, 171196, 256794, 513588, 1754759, 3509518, 5264277, 7019036, 10528554, 21057108]

約数ペア:

[(1, 21057108), (2, 10528554), (3, 7019036), (4, 5264277), (6, 3509518), (12, 1754759), (41, 513588), (82, 256794), (123, 171196), (127, 165804), (164, 128397), (246, 85598), (254, 82902), (337, 62484), (381, 55268), (492, 42799), (508, 41451), (674, 31242), (762, 27634), (1011, 20828), (1348, 15621), (1524, 13817), (2022, 10414), (4044, 5207)]