21839778

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{3361}}^1$

素因数の和:3407

約数の個数: 36

約数和(自身を含む): 49955958

約数和(自身を除く): 28116180

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 722, 1083, 2166, 3249, 3361, 6498, 6722, 10083, 20166, 30249, 60498, 63859, 127718, 191577, 383154, 574731, 1149462, 1213321, 2426642, 3639963, 7279926, 10919889, 21839778]

約数ペア:

[(1, 21839778), (2, 10919889), (3, 7279926), (6, 3639963), (9, 2426642), (18, 1213321), (19, 1149462), (38, 574731), (57, 383154), (114, 191577), (171, 127718), (342, 63859), (361, 60498), (722, 30249), (1083, 20166), (2166, 10083), (3249, 6722), (3361, 6498)]