21132886

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{1213}}^1$

素因数の和:1527

約数の個数: 16

約数和(自身を含む): 32865408

約数和(自身を除く): 11732522

約数列:

[1, 2, 31, 62, 281, 562, 1213, 2426, 8711, 17422, 37603, 75206, 340853, 681706, 10566443, 21132886]

約数ペア:

[(1, 21132886), (2, 10566443), (31, 681706), (62, 340853), (281, 75206), (562, 37603), (1213, 17422), (2426, 8711)]