21505352

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{244379}}^1$

素因数の和:244396

約数の個数: 16

約数和(自身を含む): 43988400

約数和(自身を除く): 22483048

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 244379, 488758, 977516, 1955032, 2688169, 5376338, 10752676, 21505352]

約数ペア:

[(1, 21505352), (2, 10752676), (4, 5376338), (8, 2688169), (11, 1955032), (22, 977516), (44, 488758), (88, 244379)]