21705108

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 53014080

約数和(自身を除く): 31308972

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 97, 116, 174, 194, 291, 348, 388, 582, 643, 1164, 1286, 1929, 2572, 2813, 3858, 5626, 7716, 8439, 11252, 16878, 18647, 33756, 37294, 55941, 62371, 74588, 111882, 124742, 187113, 223764, 249484, 374226, 748452, 1808759, 3617518, 5426277, 7235036, 10852554, 21705108]

約数ペア:

[(1, 21705108), (2, 10852554), (3, 7235036), (4, 5426277), (6, 3617518), (12, 1808759), (29, 748452), (58, 374226), (87, 249484), (97, 223764), (116, 187113), (174, 124742), (194, 111882), (291, 74588), (348, 62371), (388, 55941), (582, 37294), (643, 33756), (1164, 18647), (1286, 16878), (1929, 11252), (2572, 8439), (2813, 7716), (3858, 5626)]