21167654364

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{277747}}^1$

素因数の和:277859

約数の個数: 72

約数和(自身を含む): 56110650960

約数和(自身を除く): 34942996596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 73, 87, 116, 146, 174, 219, 261, 292, 348, 438, 522, 657, 876, 1044, 1314, 2117, 2628, 4234, 6351, 8468, 12702, 19053, 25404, 38106, 76212, 277747, 555494, 833241, 1110988, 1666482, 2499723, 3332964, 4999446, 8054663, 9998892, 16109326, 20275531, 24163989, 32218652, 40551062, 48327978, 60826593, 72491967, 81102124, 96655956, 121653186, 144983934, 182479779, 243306372, 289967868, 364959558, 587990399, 729919116, 1175980798, 1763971197, 2351961596, 3527942394, 5291913591, 7055884788, 10583827182, 21167654364]

約数ペア:

[(1, 21167654364), (2, 10583827182), (3, 7055884788), (4, 5291913591), (6, 3527942394), (9, 2351961596), (12, 1763971197), (18, 1175980798), (29, 729919116), (36, 587990399), (58, 364959558), (73, 289967868), (87, 243306372), (116, 182479779), (146, 144983934), (174, 121653186), (219, 96655956), (261, 81102124), (292, 72491967), (348, 60826593), (438, 48327978), (522, 40551062), (657, 32218652), (876, 24163989), (1044, 20275531), (1314, 16109326), (2117, 9998892), (2628, 8054663), (4234, 4999446), (6351, 3332964), (8468, 2499723), (12702, 1666482), (19053, 1110988), (25404, 833241), (38106, 555494), (76212, 277747)]