21596872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{245419}}^1$

素因数の和:245436

約数の個数: 16

約数和(自身を含む): 44175600

約数和(自身を除く): 22578728

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 245419, 490838, 981676, 1963352, 2699609, 5399218, 10798436, 21596872]

約数ペア:

[(1, 21596872), (2, 10798436), (4, 5399218), (8, 2699609), (11, 1963352), (22, 981676), (44, 490838), (88, 245419)]