21059508

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40813}}^1$

素因数の和:40863

約数の個数: 24

約数和(自身を含む): 50282848

約数和(自身を除く): 29223340

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40813, 81626, 122439, 163252, 244878, 489756, 1754959, 3509918, 5264877, 7019836, 10529754, 21059508]

約数ペア:

[(1, 21059508), (2, 10529754), (3, 7019836), (4, 5264877), (6, 3509918), (12, 1754959), (43, 489756), (86, 244878), (129, 163252), (172, 122439), (258, 81626), (516, 40813)]