21557266

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1\times {\mathrm{839}}^1$

素因数の和:1313

約数の個数: 16

約数和(自身を含む): 33566400

約数和(自身を除く): 12009134

約数列:

[1, 2, 29, 58, 443, 839, 886, 1678, 12847, 24331, 25694, 48662, 371677, 743354, 10778633, 21557266]

約数ペア:

[(1, 21557266), (2, 10778633), (29, 743354), (58, 371677), (443, 48662), (839, 25694), (886, 24331), (1678, 12847)]