21383514

素因数分解:

$2^1\times 3^5\times {\mathrm{23}}^1\times {\mathrm{1913}}^1$

素因数の和:1953

約数の個数: 48

約数和(自身を含む): 50162112

約数和(自身を除く): 28778598

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 414, 486, 621, 1242, 1863, 1913, 3726, 3826, 5589, 5739, 11178, 11478, 17217, 34434, 43999, 51651, 87998, 103302, 131997, 154953, 263994, 309906, 395991, 464859, 791982, 929718, 1187973, 2375946, 3563919, 7127838, 10691757, 21383514]

約数ペア:

[(1, 21383514), (2, 10691757), (3, 7127838), (6, 3563919), (9, 2375946), (18, 1187973), (23, 929718), (27, 791982), (46, 464859), (54, 395991), (69, 309906), (81, 263994), (138, 154953), (162, 131997), (207, 103302), (243, 87998), (414, 51651), (486, 43999), (621, 34434), (1242, 17217), (1863, 11478), (1913, 11178), (3726, 5739), (3826, 5589)]