21075654

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 43280640

約数和(自身を除く): 22204986

約数列:

[1, 2, 3, 6, 67, 103, 134, 201, 206, 309, 402, 509, 618, 1018, 1527, 3054, 6901, 13802, 20703, 34103, 41406, 52427, 68206, 102309, 104854, 157281, 204618, 314562, 3512609, 7025218, 10537827, 21075654]

約数ペア:

[(1, 21075654), (2, 10537827), (3, 7025218), (6, 3512609), (67, 314562), (103, 204618), (134, 157281), (201, 104854), (206, 102309), (309, 68206), (402, 52427), (509, 41406), (618, 34103), (1018, 20703), (1527, 13802), (3054, 6901)]