21361035

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{311}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 36241920

約数和(自身を除く): 14880885

約数列:

[1, 3, 5, 15, 19, 57, 95, 241, 285, 311, 723, 933, 1205, 1555, 3615, 4579, 4665, 5909, 13737, 17727, 22895, 29545, 68685, 74951, 88635, 224853, 374755, 1124265, 1424069, 4272207, 7120345, 21361035]

約数ペア:

[(1, 21361035), (3, 7120345), (5, 4272207), (15, 1424069), (19, 1124265), (57, 374755), (95, 224853), (241, 88635), (285, 74951), (311, 68685), (723, 29545), (933, 22895), (1205, 17727), (1555, 13737), (3615, 5909), (4579, 4665)]