21084098440

素因数分解:

$2^3\times 5^1\times {\mathrm{527102461}}^1$

素因数の和:527102472

約数の個数: 16

約数和(自身を含む): 47439221580

約数和(自身を除く): 26355123140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 527102461, 1054204922, 2108409844, 2635512305, 4216819688, 5271024610, 10542049220, 21084098440]

約数ペア:

[(1, 21084098440), (2, 10542049220), (4, 5271024610), (5, 4216819688), (8, 2635512305), (10, 2108409844), (20, 1054204922), (40, 527102461)]