21950019

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26801}}^1$

素因数の和:26827

約数の個数: 24

約数和(自身を含む): 39023712

約数和(自身を除く): 17073693

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 26801, 80403, 187607, 241209, 348413, 562821, 1045239, 1688463, 2438891, 3135717, 7316673, 21950019]

約数ペア:

[(1, 21950019), (3, 7316673), (7, 3135717), (9, 2438891), (13, 1688463), (21, 1045239), (39, 562821), (63, 348413), (91, 241209), (117, 187607), (273, 80403), (819, 26801)]