2100068848

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{257867}}^1$

素因数の和:258384

約数の個数: 20

約数和(自身を含む): 4076893080

約数和(自身を除く): 1976824232

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 8144, 257867, 515734, 1031468, 2062936, 4125872, 131254303, 262508606, 525017212, 1050034424, 2100068848]

約数ペア:

[(1, 2100068848), (2, 1050034424), (4, 525017212), (8, 262508606), (16, 131254303), (509, 4125872), (1018, 2062936), (2036, 1031468), (4072, 515734), (8144, 257867)]