21513766

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 32

約数和(自身を含む): 34927200

約数和(自身を除く): 13413434

約数列:

[1, 2, 29, 41, 58, 82, 83, 109, 166, 218, 1189, 2378, 2407, 3161, 3403, 4469, 4814, 6322, 6806, 8938, 9047, 18094, 98687, 129601, 197374, 259202, 262363, 370927, 524726, 741854, 10756883, 21513766]

約数ペア:

[(1, 21513766), (2, 10756883), (29, 741854), (41, 524726), (58, 370927), (82, 262363), (83, 259202), (109, 197374), (166, 129601), (218, 98687), (1189, 18094), (2378, 9047), (2407, 8938), (3161, 6806), (3403, 6322), (4469, 4814)]