21229021

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{457}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 24006528

約数和(自身を除く): 2777507

約数列:

[1, 11, 41, 103, 451, 457, 1133, 4223, 5027, 18737, 46453, 47071, 206107, 517781, 1929911, 21229021]

約数ペア:

[(1, 21229021), (11, 1929911), (41, 517781), (103, 206107), (451, 47071), (457, 46453), (1133, 18737), (4223, 5027)]