21862269

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16987}}^1$

素因数の和:17017

約数の個数: 24

約数和(自身を含む): 37101792

約数和(自身を除く): 15239523

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16987, 50961, 152883, 186857, 220831, 560571, 662493, 1681713, 1987479, 2429141, 7287423, 21862269]

約数ペア:

[(1, 21862269), (3, 7287423), (9, 2429141), (11, 1987479), (13, 1681713), (33, 662493), (39, 560571), (99, 220831), (117, 186857), (143, 152883), (429, 50961), (1287, 16987)]