21600189

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:379

約数の個数: 40

約数和(自身を含む): 35350392

約数和(自身を除く): 13750203

約数列:

[1, 3, 9, 13, 27, 39, 73, 81, 117, 219, 281, 351, 657, 843, 949, 1053, 1971, 2529, 2847, 3653, 5913, 7587, 8541, 10959, 20513, 22761, 25623, 32877, 61539, 76869, 98631, 184617, 266669, 295893, 553851, 800007, 1661553, 2400021, 7200063, 21600189]

約数ペア:

[(1, 21600189), (3, 7200063), (9, 2400021), (13, 1661553), (27, 800007), (39, 553851), (73, 295893), (81, 266669), (117, 184617), (219, 98631), (281, 76869), (351, 61539), (657, 32877), (843, 25623), (949, 22761), (1053, 20513), (1971, 10959), (2529, 8541), (2847, 7587), (3653, 5913)]