21114212

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12781}}^1$

素因数の和:12851

約数の個数: 24

約数和(自身を含む): 42947520

約数和(自身を除く): 21833308

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12781, 25562, 51124, 89467, 178934, 357868, 754079, 1508158, 3016316, 5278553, 10557106, 21114212]

約数ペア:

[(1, 21114212), (2, 10557106), (4, 5278553), (7, 3016316), (14, 1508158), (28, 754079), (59, 357868), (118, 178934), (236, 89467), (413, 51124), (826, 25562), (1652, 12781)]