21994214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 15330586

約数列:

[1, 2, 11, 22, 47, 89, 94, 178, 239, 478, 517, 979, 1034, 1958, 2629, 4183, 5258, 8366, 11233, 21271, 22466, 42542, 46013, 92026, 123563, 233981, 247126, 467962, 999737, 1999474, 10997107, 21994214]

約数ペア:

[(1, 21994214), (2, 10997107), (11, 1999474), (22, 999737), (47, 467962), (89, 247126), (94, 233981), (178, 123563), (239, 92026), (478, 46013), (517, 42542), (979, 22466), (1034, 21271), (1958, 11233), (2629, 8366), (4183, 5258)]