21323335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{1693}}^1$

素因数の和:1938

約数の個数: 16

約数和(自身を含む): 28052640

約数和(自身を除く): 6729305

約数列:

[1, 5, 11, 55, 229, 1145, 1693, 2519, 8465, 12595, 18623, 93115, 387697, 1938485, 4264667, 21323335]

約数ペア:

[(1, 21323335), (5, 4264667), (11, 1938485), (55, 387697), (229, 93115), (1145, 18623), (1693, 12595), (2519, 8465)]