2021049

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 3144960

約数和(自身を除く): 1123911

約数列:

[1, 3, 9, 19, 53, 57, 159, 171, 223, 477, 669, 1007, 2007, 3021, 4237, 9063, 11819, 12711, 35457, 38133, 106371, 224561, 673683, 2021049]

約数ペア:

[(1, 2021049), (3, 673683), (9, 224561), (19, 106371), (53, 38133), (57, 35457), (159, 12711), (171, 11819), (223, 9063), (477, 4237), (669, 3021), (1007, 2007)]