21324285

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8941}}^1$

素因数の和:9005

約数の個数: 24

約数和(自身を含む): 37663704

約数和(自身を除く): 16339419

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 8941, 26823, 44705, 80469, 134115, 402345, 473873, 1421619, 2369365, 4264857, 7108095, 21324285]

約数ペア:

[(1, 21324285), (3, 7108095), (5, 4264857), (9, 2369365), (15, 1421619), (45, 473873), (53, 402345), (159, 134115), (265, 80469), (477, 44705), (795, 26823), (2385, 8941)]