21936700779

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{26893}}^1$

素因数の和:27120

約数の個数: 48

約数和(自身を含む): 35319352320

約数和(自身を除く): 13382651541

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 179, 217, 537, 651, 1253, 1519, 3759, 4557, 5549, 8771, 16647, 26313, 26893, 38843, 80679, 116529, 188251, 271901, 564753, 815703, 833683, 1317757, 2501049, 3953271, 4813847, 5835781, 14441541, 17507343, 33696929, 40850467, 101090787, 122551401, 149229257, 235878503, 447687771, 707635509, 1044604799, 3133814397, 7312233593, 21936700779]

約数ペア:

[(1, 21936700779), (3, 7312233593), (7, 3133814397), (21, 1044604799), (31, 707635509), (49, 447687771), (93, 235878503), (147, 149229257), (179, 122551401), (217, 101090787), (537, 40850467), (651, 33696929), (1253, 17507343), (1519, 14441541), (3759, 5835781), (4557, 4813847), (5549, 3953271), (8771, 2501049), (16647, 1317757), (26313, 833683), (26893, 815703), (38843, 564753), (80679, 271901), (116529, 188251)]