21567708

素因数分解:

$2^2\times 3^5\times {\mathrm{22189}}^1$

素因数の和:22208

約数の個数: 36

約数和(自身を含む): 56540120

約数和(自身を除く): 34972412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 22189, 44378, 66567, 88756, 133134, 199701, 266268, 399402, 599103, 798804, 1198206, 1797309, 2396412, 3594618, 5391927, 7189236, 10783854, 21567708]

約数ペア:

[(1, 21567708), (2, 10783854), (3, 7189236), (4, 5391927), (6, 3594618), (9, 2396412), (12, 1797309), (18, 1198206), (27, 798804), (36, 599103), (54, 399402), (81, 266268), (108, 199701), (162, 133134), (243, 88756), (324, 66567), (486, 44378), (972, 22189)]