21161118

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{653}}^1$

素因数の和:1160

約数の個数: 32

約数和(自身を含む): 46334592

約数和(自身を除く): 25173474

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 491, 653, 982, 1306, 1473, 1959, 2946, 3918, 5401, 7183, 10802, 14366, 16203, 21549, 32406, 43098, 320623, 641246, 961869, 1923738, 3526853, 7053706, 10580559, 21161118]

約数ペア:

[(1, 21161118), (2, 10580559), (3, 7053706), (6, 3526853), (11, 1923738), (22, 961869), (33, 641246), (66, 320623), (491, 43098), (653, 32406), (982, 21549), (1306, 16203), (1473, 14366), (1959, 10802), (2946, 7183), (3918, 5401)]