2021094260

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{393209}}^1$

素因数の和:393475

約数の個数: 24

約数和(自身を含む): 4260823560

約数和(自身を除く): 2239729300

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 393209, 786418, 1572836, 1966045, 3932090, 7864180, 101054713, 202109426, 404218852, 505273565, 1010547130, 2021094260]

約数ペア:

[(1, 2021094260), (2, 1010547130), (4, 505273565), (5, 404218852), (10, 202109426), (20, 101054713), (257, 7864180), (514, 3932090), (1028, 1966045), (1285, 1572836), (2570, 786418), (5140, 393209)]