21133838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6911}}^1$

素因数の和:7063

約数の個数: 16

約数和(自身を含む): 34836480

約数和(自身を除く): 13702642

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 6911, 13822, 76021, 152042, 960629, 1921258, 10566919, 21133838]

約数ペア:

[(1, 21133838), (2, 10566919), (11, 1921258), (22, 960629), (139, 152042), (278, 76021), (1529, 13822), (3058, 6911)]