21441716

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{733}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 38473344

約数和(自身を除く): 17031628

約数列:

[1, 2, 4, 71, 103, 142, 206, 284, 412, 733, 1466, 2932, 7313, 14626, 29252, 52043, 75499, 104086, 150998, 208172, 301996, 5360429, 10720858, 21441716]

約数ペア:

[(1, 21441716), (2, 10720858), (4, 5360429), (71, 301996), (103, 208172), (142, 150998), (206, 104086), (284, 75499), (412, 52043), (733, 29252), (1466, 14626), (2932, 7313)]