21349111

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2659}}^1$

素因数の和:2734

約数の個数: 16

約数和(自身を含む): 25876480

約数和(自身を除く): 4527369

約数列:

[1, 7, 31, 37, 217, 259, 1147, 2659, 8029, 18613, 82429, 98383, 577003, 688681, 3049873, 21349111]

約数ペア:

[(1, 21349111), (7, 3049873), (31, 688681), (37, 577003), (217, 98383), (259, 82429), (1147, 18613), (2659, 8029)]