21519276

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61837}}^1$

素因数の和:61873

約数の個数: 24

約数和(自身を含む): 51943920

約数和(自身を除く): 30424644

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348, 61837, 123674, 185511, 247348, 371022, 742044, 1793273, 3586546, 5379819, 7173092, 10759638, 21519276]

約数ペア:

[(1, 21519276), (2, 10759638), (3, 7173092), (4, 5379819), (6, 3586546), (12, 1793273), (29, 742044), (58, 371022), (87, 247348), (116, 185511), (174, 123674), (348, 61837)]