21499426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{2383}}^1$

素因数の和:2745

約数の個数: 16

約数和(自身を含む): 34844544

約数和(自身を除く): 13345118

約数列:

[1, 2, 13, 26, 347, 694, 2383, 4511, 4766, 9022, 30979, 61958, 826901, 1653802, 10749713, 21499426]

約数ペア:

[(1, 21499426), (2, 10749713), (13, 1653802), (26, 826901), (347, 61958), (694, 30979), (2383, 9022), (4511, 4766)]