21136401

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1493}}^1$

素因数の和:1534

約数の個数: 36

約数和(自身を含む): 36163764

約数和(自身を除く): 15027363

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 121, 143, 363, 429, 1089, 1287, 1493, 1573, 4479, 4719, 13437, 14157, 16423, 19409, 49269, 58227, 147807, 174681, 180653, 213499, 541959, 640497, 1625877, 1921491, 2348489, 7045467, 21136401]

約数ペア:

[(1, 21136401), (3, 7045467), (9, 2348489), (11, 1921491), (13, 1625877), (33, 640497), (39, 541959), (99, 213499), (117, 180653), (121, 174681), (143, 147807), (363, 58227), (429, 49269), (1089, 19409), (1287, 16423), (1493, 14157), (1573, 13437), (4479, 4719)]