21625978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{16661}}^1$

素因数の和:16733

約数の個数: 16

約数和(自身を含む): 35989920

約数和(自身を除く): 14363942

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 16661, 33322, 183271, 366542, 982999, 1965998, 10812989, 21625978]

約数ペア:

[(1, 21625978), (2, 10812989), (11, 1965998), (22, 982999), (59, 366542), (118, 183271), (649, 33322), (1298, 16661)]