21964012

素因数分解:

$2^2\times 7^1\times {\mathrm{719}}^1\times {\mathrm{1091}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 44029440

約数和(自身を除く): 22065428

約数列:

[1, 2, 4, 7, 14, 28, 719, 1091, 1438, 2182, 2876, 4364, 5033, 7637, 10066, 15274, 20132, 30548, 784429, 1568858, 3137716, 5491003, 10982006, 21964012]

約数ペア:

[(1, 21964012), (2, 10982006), (4, 5491003), (7, 3137716), (14, 1568858), (28, 784429), (719, 30548), (1091, 20132), (1438, 15274), (2182, 10066), (2876, 7637), (4364, 5033)]