21952343

素因数分解:

$7^4\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:292

約数の個数: 20

約数和(自身を含む): 26351808

約数和(自身を除く): 4399465

約数列:

[1, 7, 41, 49, 223, 287, 343, 1561, 2009, 2401, 9143, 10927, 14063, 64001, 76489, 98441, 448007, 535423, 3136049, 21952343]

約数ペア:

[(1, 21952343), (7, 3136049), (41, 535423), (49, 448007), (223, 98441), (287, 76489), (343, 64001), (1561, 14063), (2009, 10927), (2401, 9143)]