21673278

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 33484482

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 31, 33, 54, 62, 66, 93, 99, 107, 121, 186, 198, 214, 242, 279, 297, 321, 341, 363, 558, 594, 642, 682, 726, 837, 963, 1023, 1089, 1177, 1674, 1926, 2046, 2178, 2354, 2889, 3069, 3267, 3317, 3531, 3751, 5778, 6138, 6534, 6634, 7062, 7502, 9207, 9951, 10593, 11253, 12947, 18414, 19902, 21186, 22506, 25894, 29853, 31779, 33759, 36487, 38841, 59706, 63558, 67518, 72974, 77682, 89559, 101277, 109461, 116523, 179118, 202554, 218922, 233046, 328383, 349569, 401357, 656766, 699138, 802714, 985149, 1204071, 1970298, 2408142, 3612213, 7224426, 10836639, 21673278]

約数ペア:

[(1, 21673278), (2, 10836639), (3, 7224426), (6, 3612213), (9, 2408142), (11, 1970298), (18, 1204071), (22, 985149), (27, 802714), (31, 699138), (33, 656766), (54, 401357), (62, 349569), (66, 328383), (93, 233046), (99, 218922), (107, 202554), (121, 179118), (186, 116523), (198, 109461), (214, 101277), (242, 89559), (279, 77682), (297, 72974), (321, 67518), (341, 63558), (363, 59706), (558, 38841), (594, 36487), (642, 33759), (682, 31779), (726, 29853), (837, 25894), (963, 22506), (1023, 21186), (1089, 19902), (1177, 18414), (1674, 12947), (1926, 11253), (2046, 10593), (2178, 9951), (2354, 9207), (2889, 7502), (3069, 7062), (3267, 6634), (3317, 6534), (3531, 6138), (3751, 5778)]