21997272

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{859}}^1$

素因数の和:976

約数の個数: 64

約数和(自身を含む): 60681600

約数和(自身を除く): 38684328

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 97, 132, 194, 264, 291, 388, 582, 776, 859, 1067, 1164, 1718, 2134, 2328, 2577, 3201, 3436, 4268, 5154, 6402, 6872, 8536, 9449, 10308, 12804, 18898, 20616, 25608, 28347, 37796, 56694, 75592, 83323, 113388, 166646, 226776, 249969, 333292, 499938, 666584, 916553, 999876, 1833106, 1999752, 2749659, 3666212, 5499318, 7332424, 10998636, 21997272]

約数ペア:

[(1, 21997272), (2, 10998636), (3, 7332424), (4, 5499318), (6, 3666212), (8, 2749659), (11, 1999752), (12, 1833106), (22, 999876), (24, 916553), (33, 666584), (44, 499938), (66, 333292), (88, 249969), (97, 226776), (132, 166646), (194, 113388), (264, 83323), (291, 75592), (388, 56694), (582, 37796), (776, 28347), (859, 25608), (1067, 20616), (1164, 18898), (1718, 12804), (2134, 10308), (2328, 9449), (2577, 8536), (3201, 6872), (3436, 6402), (4268, 5154)]