21158566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 37594368

約数和(自身を除く): 16435802

約数列:

[1, 2, 11, 13, 22, 26, 143, 167, 286, 334, 443, 886, 1837, 2171, 3674, 4342, 4873, 5759, 9746, 11518, 23881, 47762, 63349, 73981, 126698, 147962, 813791, 961753, 1627582, 1923506, 10579283, 21158566]

約数ペア:

[(1, 21158566), (2, 10579283), (11, 1923506), (13, 1627582), (22, 961753), (26, 813791), (143, 147962), (167, 126698), (286, 73981), (334, 63349), (443, 47762), (886, 23881), (1837, 11518), (2171, 9746), (3674, 5759), (4342, 4873)]