21348522

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 53813760

約数和(自身を除く): 32465238

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 78, 81, 93, 109, 117, 162, 186, 218, 234, 243, 279, 327, 351, 403, 486, 558, 654, 702, 806, 837, 981, 1053, 1209, 1417, 1674, 1962, 2106, 2418, 2511, 2834, 2943, 3159, 3379, 3627, 4251, 5022, 5886, 6318, 6758, 7254, 7533, 8502, 8829, 10137, 10881, 12753, 15066, 17658, 20274, 21762, 25506, 26487, 30411, 32643, 38259, 43927, 52974, 60822, 65286, 76518, 87854, 91233, 97929, 114777, 131781, 182466, 195858, 229554, 263562, 273699, 344331, 395343, 547398, 688662, 790686, 821097, 1186029, 1642194, 2372058, 3558087, 7116174, 10674261, 21348522]

約数ペア:

[(1, 21348522), (2, 10674261), (3, 7116174), (6, 3558087), (9, 2372058), (13, 1642194), (18, 1186029), (26, 821097), (27, 790686), (31, 688662), (39, 547398), (54, 395343), (62, 344331), (78, 273699), (81, 263562), (93, 229554), (109, 195858), (117, 182466), (162, 131781), (186, 114777), (218, 97929), (234, 91233), (243, 87854), (279, 76518), (327, 65286), (351, 60822), (403, 52974), (486, 43927), (558, 38259), (654, 32643), (702, 30411), (806, 26487), (837, 25506), (981, 21762), (1053, 20274), (1209, 17658), (1417, 15066), (1674, 12753), (1962, 10881), (2106, 10137), (2418, 8829), (2511, 8502), (2834, 7533), (2943, 7254), (3159, 6758), (3379, 6318), (3627, 5886), (4251, 5022)]