21119692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{709}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 40435920

約数和(自身を除く): 19316228

約数列:

[1, 2, 4, 11, 22, 44, 677, 709, 1354, 1418, 2708, 2836, 7447, 7799, 14894, 15598, 29788, 31196, 479993, 959986, 1919972, 5279923, 10559846, 21119692]

約数ペア:

[(1, 21119692), (2, 10559846), (4, 5279923), (11, 1919972), (22, 959986), (44, 479993), (677, 31196), (709, 29788), (1354, 15598), (1418, 14894), (2708, 7799), (2836, 7447)]