21897174

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2143}}^1$

素因数の和:2292

約数の個数: 32

約数和(自身を含む): 47545344

約数和(自身を除く): 25648170

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 262, 393, 786, 1703, 2143, 3406, 4286, 5109, 6429, 10218, 12858, 27859, 55718, 83577, 167154, 280733, 561466, 842199, 1684398, 3649529, 7299058, 10948587, 21897174]

約数ペア:

[(1, 21897174), (2, 10948587), (3, 7299058), (6, 3649529), (13, 1684398), (26, 842199), (39, 561466), (78, 280733), (131, 167154), (262, 83577), (393, 55718), (786, 27859), (1703, 12858), (2143, 10218), (3406, 6429), (4286, 5109)]