21036770

素因数分解:

$2^1\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{1979}}^1$

素因数の和:3049

約数の個数: 16

約数和(自身を含む): 37920960

約数和(自身を除く): 16884190

約数列:

[1, 2, 5, 10, 1063, 1979, 2126, 3958, 5315, 9895, 10630, 19790, 2103677, 4207354, 10518385, 21036770]

約数ペア:

[(1, 21036770), (2, 10518385), (5, 4207354), (10, 2103677), (1063, 19790), (1979, 10630), (2126, 9895), (3958, 5315)]