21580823032

素因数分解:

$2^3\times {\mathrm{2371}}^1\times {\mathrm{1137749}}^1$

素因数の和:1140126

約数の個数: 16

約数和(自身を含む): 40481145000

約数和(自身を除く): 18900321968

約数列:

[1, 2, 4, 8, 2371, 4742, 9484, 18968, 1137749, 2275498, 4550996, 9101992, 2697602879, 5395205758, 10790411516, 21580823032]

約数ペア:

[(1, 21580823032), (2, 10790411516), (4, 5395205758), (8, 2697602879), (2371, 9101992), (4742, 4550996), (9484, 2275498), (18968, 1137749)]