2021746321

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{3491}}^1$

素因数の和:3781

約数の個数: 24

約数和(自身を含む): 2407636224

約数和(自身を除く): 385889903

約数列:

[1, 7, 49, 53, 223, 371, 1561, 2597, 3491, 10927, 11819, 24437, 82733, 171059, 185023, 579131, 778493, 1295161, 5449451, 9066127, 38146157, 41260129, 288820903, 2021746321]

約数ペア:

[(1, 2021746321), (7, 288820903), (49, 41260129), (53, 38146157), (223, 9066127), (371, 5449451), (1561, 1295161), (2597, 778493), (3491, 579131), (10927, 185023), (11819, 171059), (24437, 82733)]