21670478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 35831808

約数和(自身を除く): 14161330

約数列:

[1, 2, 17, 34, 47, 71, 94, 142, 191, 382, 799, 1207, 1598, 2414, 3247, 3337, 6494, 6674, 8977, 13561, 17954, 27122, 56729, 113458, 152609, 230537, 305218, 461074, 637367, 1274734, 10835239, 21670478]

約数ペア:

[(1, 21670478), (2, 10835239), (17, 1274734), (34, 637367), (47, 461074), (71, 305218), (94, 230537), (142, 152609), (191, 113458), (382, 56729), (799, 27122), (1207, 17954), (1598, 13561), (2414, 8977), (3247, 6674), (3337, 6494)]