21516570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{79691}}^1$

素因数の和:79707

約数の個数: 32

約数和(自身を含む): 57378240

約数和(自身を除く): 35861670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 79691, 159382, 239073, 398455, 478146, 717219, 796910, 1195365, 1434438, 2151657, 2390730, 3586095, 4303314, 7172190, 10758285, 21516570]

約数ペア:

[(1, 21516570), (2, 10758285), (3, 7172190), (5, 4303314), (6, 3586095), (9, 2390730), (10, 2151657), (15, 1434438), (18, 1195365), (27, 796910), (30, 717219), (45, 478146), (54, 398455), (90, 239073), (135, 159382), (270, 79691)]