21700931

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{911}}^1$

素因数の和:1042

約数の個数: 16

約数和(自身を含む): 25740288

約数和(自身を除く): 4039357

約数列:

[1, 7, 41, 83, 287, 581, 911, 3403, 6377, 23821, 37351, 75613, 261457, 529291, 3100133, 21700931]

約数ペア:

[(1, 21700931), (7, 3100133), (41, 529291), (83, 261457), (287, 75613), (581, 37351), (911, 23821), (3403, 6377)]