21225938

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1\times {\mathrm{769}}^1$

素因数の和:1181

約数の個数: 16

約数和(自身を含む): 32829720

約数和(自身を除く): 11603782

約数列:

[1, 2, 37, 74, 373, 746, 769, 1538, 13801, 27602, 28453, 56906, 286837, 573674, 10612969, 21225938]

約数ペア:

[(1, 21225938), (2, 10612969), (37, 573674), (74, 286837), (373, 56906), (746, 28453), (769, 27602), (1538, 13801)]