21835143

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1987}}^1$

素因数の和:2044

約数の個数: 32

約数和(自身を含む): 36261120

約数和(自身を除く): 14425977

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 1987, 3663, 5961, 10989, 17883, 21857, 53649, 65571, 73519, 196713, 220557, 590139, 661671, 808709, 1985013, 2426127, 7278381, 21835143]

約数ペア:

[(1, 21835143), (3, 7278381), (9, 2426127), (11, 1985013), (27, 808709), (33, 661671), (37, 590139), (99, 220557), (111, 196713), (297, 73519), (333, 65571), (407, 53649), (999, 21857), (1221, 17883), (1987, 10989), (3663, 5961)]