21143682

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9871}}^1$

素因数の和:9903

約数の個数: 48

約数和(自身を含む): 55441152

約数和(自身を除く): 34297470

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 9871, 19742, 29613, 59226, 69097, 88839, 138194, 167807, 177678, 207291, 335614, 414582, 503421, 621873, 1006842, 1174649, 1243746, 1510263, 2349298, 3020526, 3523947, 7047894, 10571841, 21143682]

約数ペア:

[(1, 21143682), (2, 10571841), (3, 7047894), (6, 3523947), (7, 3020526), (9, 2349298), (14, 1510263), (17, 1243746), (18, 1174649), (21, 1006842), (34, 621873), (42, 503421), (51, 414582), (63, 335614), (102, 207291), (119, 177678), (126, 167807), (153, 138194), (238, 88839), (306, 69097), (357, 59226), (714, 29613), (1071, 19742), (2142, 9871)]