21198916

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{7433}}^1$

素因数の和:7491

約数の個数: 24

約数和(自身を含む): 39965184

約数和(自身を除く): 18766268

約数列:

[1, 2, 4, 23, 31, 46, 62, 92, 124, 713, 1426, 2852, 7433, 14866, 29732, 170959, 230423, 341918, 460846, 683836, 921692, 5299729, 10599458, 21198916]

約数ペア:

[(1, 21198916), (2, 10599458), (4, 5299729), (23, 921692), (31, 683836), (46, 460846), (62, 341918), (92, 230423), (124, 170959), (713, 29732), (1426, 14866), (2852, 7433)]