21789828

素因数分解:

$2^2\times 3^2\times {\mathrm{577}}^1\times {\mathrm{1049}}^1$

素因数の和:1636

約数の個数: 36

約数和(自身を含む): 55227900

約数和(自身を除く): 33438072

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 577, 1049, 1154, 1731, 2098, 2308, 3147, 3462, 4196, 5193, 6294, 6924, 9441, 10386, 12588, 18882, 20772, 37764, 605273, 1210546, 1815819, 2421092, 3631638, 5447457, 7263276, 10894914, 21789828]

約数ペア:

[(1, 21789828), (2, 10894914), (3, 7263276), (4, 5447457), (6, 3631638), (9, 2421092), (12, 1815819), (18, 1210546), (36, 605273), (577, 37764), (1049, 20772), (1154, 18882), (1731, 12588), (2098, 10386), (2308, 9441), (3147, 6924), (3462, 6294), (4196, 5193)]