21066588

素因数分解:

$2^2\times 3^3\times {\mathrm{107}}^1\times {\mathrm{1823}}^1$

素因数の和:1943

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 34091172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 107, 108, 214, 321, 428, 642, 963, 1284, 1823, 1926, 2889, 3646, 3852, 5469, 5778, 7292, 10938, 11556, 16407, 21876, 32814, 49221, 65628, 98442, 195061, 196884, 390122, 585183, 780244, 1170366, 1755549, 2340732, 3511098, 5266647, 7022196, 10533294, 21066588]

約数ペア:

[(1, 21066588), (2, 10533294), (3, 7022196), (4, 5266647), (6, 3511098), (9, 2340732), (12, 1755549), (18, 1170366), (27, 780244), (36, 585183), (54, 390122), (107, 196884), (108, 195061), (214, 98442), (321, 65628), (428, 49221), (642, 32814), (963, 21876), (1284, 16407), (1823, 11556), (1926, 10938), (2889, 7292), (3646, 5778), (3852, 5469)]