21246103611

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{1607}}^1\times {\mathrm{47387}}^1$

素因数の和:49031

約数の個数: 24

約数和(自身を含む): 31699160064

約数和(自身を除く): 10453056453

約数列:

[1, 3, 9, 31, 93, 279, 1607, 4821, 14463, 47387, 49817, 142161, 149451, 426483, 448353, 1468997, 4406991, 13220973, 76150909, 228452727, 685358181, 2360678179, 7082034537, 21246103611]

約数ペア:

[(1, 21246103611), (3, 7082034537), (9, 2360678179), (31, 685358181), (93, 228452727), (279, 76150909), (1607, 13220973), (4821, 4406991), (14463, 1468997), (47387, 448353), (49817, 426483), (142161, 149451)]