21294801

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11321}}^1$

素因数の和:11357

約数の個数: 24

約数和(自身を含む): 35324640

約数和(自身を除く): 14029839

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 11321, 33963, 101889, 124531, 215099, 373593, 645297, 1120779, 1935891, 2366089, 7098267, 21294801]

約数ペア:

[(1, 21294801), (3, 7098267), (9, 2366089), (11, 1935891), (19, 1120779), (33, 645297), (57, 373593), (99, 215099), (171, 124531), (209, 101889), (627, 33963), (1881, 11321)]