21830988

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{20441}}^1$

素因数の和:20537

約数の個数: 24

約数和(自身を含む): 51513840

約数和(自身を除く): 29682852

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 20441, 40882, 61323, 81764, 122646, 245292, 1819249, 3638498, 5457747, 7276996, 10915494, 21830988]

約数ペア:

[(1, 21830988), (2, 10915494), (3, 7276996), (4, 5457747), (6, 3638498), (12, 1819249), (89, 245292), (178, 122646), (267, 81764), (356, 61323), (534, 40882), (1068, 20441)]