21790671553

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4949051}}^1$

素因数の和:4949112

約数の個数: 16

約数和(自身を含む): 27081212544

約数和(自身を除く): 5290540991

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 4949051, 34643357, 84133867, 183114887, 588937069, 1281804209, 3112953079, 21790671553]

約数ペア:

[(1, 21790671553), (7, 3112953079), (17, 1281804209), (37, 588937069), (119, 183114887), (259, 84133867), (629, 34643357), (4403, 4949051)]