21517274

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4831}}^1$

素因数の和:4981

約数の個数: 16

約数和(自身を含む): 34442496

約数和(自身を除く): 12925222

約数列:

[1, 2, 17, 34, 131, 262, 2227, 4454, 4831, 9662, 82127, 164254, 632861, 1265722, 10758637, 21517274]

約数ペア:

[(1, 21517274), (2, 10758637), (17, 1265722), (34, 632861), (131, 164254), (262, 82127), (2227, 9662), (4454, 4831)]