2021119793

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{40949}}^1$

素因数の和:41608

約数の個数: 16

約数和(自身を含む): 2523830400

約数和(自身を除く): 502710607

約数列:

[1, 7, 11, 77, 641, 4487, 7051, 40949, 49357, 286643, 450439, 3153073, 26248309, 183738163, 288731399, 2021119793]

約数ペア:

[(1, 2021119793), (7, 288731399), (11, 183738163), (77, 26248309), (641, 3153073), (4487, 450439), (7051, 286643), (40949, 49357)]