21238799780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96539999}}^1$

素因数の和:96540019

約数の個数: 24

約数和(自身を含む): 48656160000

約数和(自身を除く): 27417360220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96539999, 193079998, 386159996, 482699995, 965399990, 1061939989, 1930799980, 2123879978, 4247759956, 5309699945, 10619399890, 21238799780]

約数ペア:

[(1, 21238799780), (2, 10619399890), (4, 5309699945), (5, 4247759956), (10, 2123879978), (11, 1930799980), (20, 1061939989), (22, 965399990), (44, 482699995), (55, 386159996), (110, 193079998), (220, 96539999)]