21046488

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 54747360

約数和(自身を除く): 33700872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 137, 148, 173, 222, 274, 296, 346, 411, 444, 519, 548, 692, 822, 888, 1038, 1096, 1384, 1644, 2076, 3288, 4152, 5069, 6401, 10138, 12802, 15207, 19203, 20276, 23701, 25604, 30414, 38406, 40552, 47402, 51208, 60828, 71103, 76812, 94804, 121656, 142206, 153624, 189608, 284412, 568824, 876937, 1753874, 2630811, 3507748, 5261622, 7015496, 10523244, 21046488]

約数ペア:

[(1, 21046488), (2, 10523244), (3, 7015496), (4, 5261622), (6, 3507748), (8, 2630811), (12, 1753874), (24, 876937), (37, 568824), (74, 284412), (111, 189608), (137, 153624), (148, 142206), (173, 121656), (222, 94804), (274, 76812), (296, 71103), (346, 60828), (411, 51208), (444, 47402), (519, 40552), (548, 38406), (692, 30414), (822, 25604), (888, 23701), (1038, 20276), (1096, 19203), (1384, 15207), (1644, 12802), (2076, 10138), (3288, 6401), (4152, 5069)]