21585528

素因数分解:

$2^3\times 3^4\times {\mathrm{33311}}^1$

素因数の和:33329

約数の個数: 40

約数和(自身を含む): 60461280

約数和(自身を除く): 38875752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 33311, 66622, 99933, 133244, 199866, 266488, 299799, 399732, 599598, 799464, 899397, 1199196, 1798794, 2398392, 2698191, 3597588, 5396382, 7195176, 10792764, 21585528]

約数ペア:

[(1, 21585528), (2, 10792764), (3, 7195176), (4, 5396382), (6, 3597588), (8, 2698191), (9, 2398392), (12, 1798794), (18, 1199196), (24, 899397), (27, 799464), (36, 599598), (54, 399732), (72, 299799), (81, 266488), (108, 199866), (162, 133244), (216, 99933), (324, 66622), (648, 33311)]