21305814

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{337}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 43950816

約数和(自身を除く): 22645002

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 257, 337, 514, 674, 771, 1011, 1542, 2022, 10537, 13817, 21074, 27634, 31611, 41451, 63222, 82902, 86609, 173218, 259827, 519654, 3550969, 7101938, 10652907, 21305814]

約数ペア:

[(1, 21305814), (2, 10652907), (3, 7101938), (6, 3550969), (41, 519654), (82, 259827), (123, 173218), (246, 86609), (257, 82902), (337, 63222), (514, 41451), (674, 31611), (771, 27634), (1011, 21074), (1542, 13817), (2022, 10537)]