21383307

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9391}}^1$

素因数の和:9431

約数の個数: 24

約数和(自身を含む): 35163648

約数和(自身を除く): 13780341

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 9391, 28173, 84519, 103301, 215993, 309903, 647979, 929709, 1943937, 2375923, 7127769, 21383307]

約数ペア:

[(1, 21383307), (3, 7127769), (9, 2375923), (11, 1943937), (23, 929709), (33, 647979), (69, 309903), (99, 215993), (207, 103301), (253, 84519), (759, 28173), (2277, 9391)]