21543019965

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1123}}^1\times {\mathrm{3911}}^1$

素因数の和:5154

約数の個数: 48

約数和(自身を含む): 37727015040

約数和(自身を除く): 16183995075

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1123, 1635, 3369, 3911, 4905, 5615, 10107, 11733, 16845, 19555, 35199, 50535, 58665, 122407, 175995, 367221, 426299, 612035, 1101663, 1278897, 1836105, 2131495, 3836691, 4392053, 5508315, 6394485, 13176159, 19183455, 21960265, 39528477, 65880795, 197642385, 478733777, 1436201331, 2393668885, 4308603993, 7181006655, 21543019965]

約数ペア:

[(1, 21543019965), (3, 7181006655), (5, 4308603993), (9, 2393668885), (15, 1436201331), (45, 478733777), (109, 197642385), (327, 65880795), (545, 39528477), (981, 21960265), (1123, 19183455), (1635, 13176159), (3369, 6394485), (3911, 5508315), (4905, 4392053), (5615, 3836691), (10107, 2131495), (11733, 1836105), (16845, 1278897), (19555, 1101663), (35199, 612035), (50535, 426299), (58665, 367221), (122407, 175995)]