21017562

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 22113318

約数列:

[1, 2, 3, 6, 71, 103, 142, 206, 213, 309, 426, 479, 618, 958, 1437, 2874, 7313, 14626, 21939, 34009, 43878, 49337, 68018, 98674, 102027, 148011, 204054, 296022, 3502927, 7005854, 10508781, 21017562]

約数ペア:

[(1, 21017562), (2, 10508781), (3, 7005854), (6, 3502927), (71, 296022), (103, 204054), (142, 148011), (206, 102027), (213, 98674), (309, 68018), (426, 49337), (479, 43878), (618, 34009), (958, 21939), (1437, 14626), (2874, 7313)]