21513012

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61819}}^1$

素因数の和:61855

約数の個数: 24

約数和(自身を含む): 51928800

約数和(自身を除く): 30415788

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348, 61819, 123638, 185457, 247276, 370914, 741828, 1792751, 3585502, 5378253, 7171004, 10756506, 21513012]

約数ペア:

[(1, 21513012), (2, 10756506), (3, 7171004), (4, 5378253), (6, 3585502), (12, 1792751), (29, 741828), (58, 370914), (87, 247276), (116, 185457), (174, 123638), (348, 61819)]