21000751969

素因数分解:

${\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{929}}^1\times {\mathrm{10979}}^1$

素因数の和:12008

約数の個数: 16

約数和(自身を含む): 22056624000

約数和(自身を除く): 1055872031

約数列:

[1, 29, 71, 929, 2059, 10979, 26941, 65959, 318391, 779509, 1912811, 10199491, 22605761, 295785239, 724163861, 21000751969]

約数ペア:

[(1, 21000751969), (29, 724163861), (71, 295785239), (929, 22605761), (2059, 10199491), (10979, 1912811), (26941, 779509), (65959, 318391)]