21067728

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{39901}}^1$

素因数の和:39923

約数の個数: 40

約数和(自身を含む): 59374176

約数和(自身を除く): 38306448

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 39901, 79802, 119703, 159604, 239406, 319208, 438911, 478812, 638416, 877822, 957624, 1316733, 1755644, 1915248, 2633466, 3511288, 5266932, 7022576, 10533864, 21067728]

約数ペア:

[(1, 21067728), (2, 10533864), (3, 7022576), (4, 5266932), (6, 3511288), (8, 2633466), (11, 1915248), (12, 1755644), (16, 1316733), (22, 957624), (24, 877822), (33, 638416), (44, 478812), (48, 438911), (66, 319208), (88, 239406), (132, 159604), (176, 119703), (264, 79802), (528, 39901)]