21485263

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{691}}^1$

素因数の和:798

約数の個数: 16

約数和(自身を含む): 23915520

約数和(自身を除く): 2430257

約数列:

[1, 17, 31, 59, 527, 691, 1003, 1829, 11747, 21421, 31093, 40769, 364157, 693073, 1263839, 21485263]

約数ペア:

[(1, 21485263), (17, 1263839), (31, 693073), (59, 364157), (527, 40769), (691, 31093), (1003, 21421), (1829, 11747)]