21233872

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120647}}^1$

素因数の和:120666

約数の個数: 20

約数和(自身を含む): 44881056

約数和(自身を除く): 23647184

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120647, 241294, 482588, 965176, 1327117, 1930352, 2654234, 5308468, 10616936, 21233872]

約数ペア:

[(1, 21233872), (2, 10616936), (4, 5308468), (8, 2654234), (11, 1930352), (16, 1327117), (22, 965176), (44, 482588), (88, 241294), (176, 120647)]