21282363

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 32011200

約数和(自身を除く): 10728837

約数列:

[1, 3, 9, 37, 79, 111, 237, 333, 711, 809, 2427, 2923, 7281, 8769, 26307, 29933, 63911, 89799, 191733, 269397, 575199, 2364707, 7094121, 21282363]

約数ペア:

[(1, 21282363), (3, 7094121), (9, 2364707), (37, 575199), (79, 269397), (111, 191733), (237, 89799), (333, 63911), (711, 29933), (809, 26307), (2427, 8769), (2923, 7281)]