21868335

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25577}}^1$

素因数の和:25607

約数の個数: 24

約数和(自身を含む): 39901680

約数和(自身を除く): 18033345

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 25577, 76731, 127885, 230193, 383655, 485963, 1150965, 1457889, 2429815, 4373667, 7289445, 21868335]

約数ペア:

[(1, 21868335), (3, 7289445), (5, 4373667), (9, 2429815), (15, 1457889), (19, 1150965), (45, 485963), (57, 383655), (95, 230193), (171, 127885), (285, 76731), (855, 25577)]