21843027

素因数分解:

$3^6\times {\mathrm{19}}^2\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 42

約数和(自身を含む): 34980372

約数和(自身を除く): 13137345

約数列:

[1, 3, 9, 19, 27, 57, 81, 83, 171, 243, 249, 361, 513, 729, 747, 1083, 1539, 1577, 2241, 3249, 4617, 4731, 6723, 9747, 13851, 14193, 20169, 29241, 29963, 42579, 60507, 87723, 89889, 127737, 263169, 269667, 383211, 809001, 1149633, 2427003, 7281009, 21843027]

約数ペア:

[(1, 21843027), (3, 7281009), (9, 2427003), (19, 1149633), (27, 809001), (57, 383211), (81, 269667), (83, 263169), (171, 127737), (243, 89889), (249, 87723), (361, 60507), (513, 42579), (729, 29963), (747, 29241), (1083, 20169), (1539, 14193), (1577, 13851), (2241, 9747), (3249, 6723), (4617, 4731)]