21223554

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{321569}}^1$

素因数の和:321585

約数の個数: 16

約数和(自身を含む): 46306080

約数和(自身を除く): 25082526

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 321569, 643138, 964707, 1929414, 3537259, 7074518, 10611777, 21223554]

約数ペア:

[(1, 21223554), (2, 10611777), (3, 7074518), (6, 3537259), (11, 1929414), (22, 964707), (33, 643138), (66, 321569)]