21375027

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3331}}^1$

素因数の和:3391

約数の個数: 24

約数和(自身を含む): 33266688

約数和(自身を除く): 11891661

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 3331, 6417, 9993, 29979, 76613, 103261, 229839, 309783, 689517, 929349, 2375003, 7125009, 21375027]

約数ペア:

[(1, 21375027), (3, 7125009), (9, 2375003), (23, 929349), (31, 689517), (69, 309783), (93, 229839), (207, 103261), (279, 76613), (713, 29979), (2139, 9993), (3331, 6417)]