21784126

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17099}}^1$

素因数の和:17128

約数の個数: 24

約数和(自身を含む): 40937400

約数和(自身を除く): 19153274

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 17099, 34198, 119693, 222287, 239386, 444574, 837851, 1556009, 1675702, 3112018, 10892063, 21784126]

約数ペア:

[(1, 21784126), (2, 10892063), (7, 3112018), (13, 1675702), (14, 1556009), (26, 837851), (49, 444574), (91, 239386), (98, 222287), (182, 119693), (637, 34198), (1274, 17099)]