21854547

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16981}}^1$

素因数の和:17011

約数の個数: 24

約数和(自身を含む): 37088688

約数和(自身を除く): 15234141

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16981, 50943, 152829, 186791, 220753, 560373, 662259, 1681119, 1986777, 2428283, 7284849, 21854547]

約数ペア:

[(1, 21854547), (3, 7284849), (9, 2428283), (11, 1986777), (13, 1681119), (33, 662259), (39, 560373), (99, 220753), (117, 186791), (143, 152829), (429, 50943), (1287, 16981)]