21585699

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:276

約数の個数: 36

約数和(自身を含む): 34067176

約数和(自身を除く): 12481477

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 193, 289, 387, 579, 731, 867, 1737, 2193, 2601, 3281, 6579, 8299, 9843, 12427, 24897, 29529, 37281, 55777, 74691, 111843, 141083, 167331, 423249, 501993, 1269747, 2398411, 7195233, 21585699]

約数ペア:

[(1, 21585699), (3, 7195233), (9, 2398411), (17, 1269747), (43, 501993), (51, 423249), (129, 167331), (153, 141083), (193, 111843), (289, 74691), (387, 55777), (579, 37281), (731, 29529), (867, 24897), (1737, 12427), (2193, 9843), (2601, 8299), (3281, 6579)]