21900042

素因数分解:

$2^1\times 3^2\times {\mathrm{1039}}^1\times {\mathrm{1171}}^1$

素因数の和:2218

約数の個数: 24

約数和(自身を含む): 47536320

約数和(自身を除く): 25636278

約数列:

[1, 2, 3, 6, 9, 18, 1039, 1171, 2078, 2342, 3117, 3513, 6234, 7026, 9351, 10539, 18702, 21078, 1216669, 2433338, 3650007, 7300014, 10950021, 21900042]

約数ペア:

[(1, 21900042), (2, 10950021), (3, 7300014), (6, 3650007), (9, 2433338), (18, 1216669), (1039, 21078), (1171, 18702), (2078, 10539), (2342, 9351), (3117, 7026), (3513, 6234)]