21742645972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{2179}}^1\times {\mathrm{131293}}^1$

素因数の和:133495

約数の個数: 24

約数和(自身を含む): 40070928800

約数和(自身を除く): 18328282828

約数列:

[1, 2, 4, 19, 38, 76, 2179, 4358, 8716, 41401, 82802, 131293, 165604, 262586, 525172, 2494567, 4989134, 9978268, 286087447, 572174894, 1144349788, 5435661493, 10871322986, 21742645972]

約数ペア:

[(1, 21742645972), (2, 10871322986), (4, 5435661493), (19, 1144349788), (38, 572174894), (76, 286087447), (2179, 9978268), (4358, 4989134), (8716, 2494567), (41401, 525172), (82802, 262586), (131293, 165604)]