21421126

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2473}}^1$

素因数の和:2607

約数の個数: 16

約数和(自身を含む): 33131808

約数和(自身を除く): 11710682

約数列:

[1, 2, 61, 71, 122, 142, 2473, 4331, 4946, 8662, 150853, 175583, 301706, 351166, 10710563, 21421126]

約数ペア:

[(1, 21421126), (2, 10710563), (61, 351166), (71, 301706), (122, 175583), (142, 150853), (2473, 8662), (4331, 4946)]