21000737085

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2137}}^1\times {\mathrm{8293}}^1$

素因数の和:10517

約数の個数: 32

約数和(自身を含む): 34046538240

約数和(自身を除く): 13045801155

約数列:

[1, 3, 5, 15, 79, 237, 395, 1185, 2137, 6411, 8293, 10685, 24879, 32055, 41465, 124395, 168823, 506469, 655147, 844115, 1965441, 2532345, 3275735, 9827205, 17722141, 53166423, 88610705, 265832115, 1400049139, 4200147417, 7000245695, 21000737085]

約数ペア:

[(1, 21000737085), (3, 7000245695), (5, 4200147417), (15, 1400049139), (79, 265832115), (237, 88610705), (395, 53166423), (1185, 17722141), (2137, 9827205), (6411, 3275735), (8293, 2532345), (10685, 1965441), (24879, 844115), (32055, 655147), (41465, 506469), (124395, 168823)]