21365107

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 23721984

約数和(自身を除く): 2356877

約数列:

[1, 17, 31, 71, 527, 571, 1207, 2201, 9707, 17701, 37417, 40541, 300917, 689197, 1256771, 21365107]

約数ペア:

[(1, 21365107), (17, 1256771), (31, 689197), (71, 300917), (527, 40541), (571, 37417), (1207, 17701), (2201, 9707)]