21064095

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36007}}^1$

素因数の和:36031

約数の個数: 24

約数和(自身を含む): 39320736

約数和(自身を除く): 18256641

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 36007, 108021, 180035, 324063, 468091, 540105, 1404273, 1620315, 2340455, 4212819, 7021365, 21064095]

約数ペア:

[(1, 21064095), (3, 7021365), (5, 4212819), (9, 2340455), (13, 1620315), (15, 1404273), (39, 540105), (45, 468091), (65, 324063), (117, 180035), (195, 108021), (585, 36007)]