21600495

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1524

約数の個数: 48

約数和(自身を含む): 43729920

約数和(自身を除く): 22129425

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 987, 1459, 1645, 2115, 2961, 4377, 4935, 7295, 10213, 13131, 14805, 21885, 30639, 51065, 65655, 68573, 91917, 153195, 205719, 342865, 459585, 480011, 617157, 1028595, 1440033, 2400055, 3085785, 4320099, 7200165, 21600495]

約数ペア:

[(1, 21600495), (3, 7200165), (5, 4320099), (7, 3085785), (9, 2400055), (15, 1440033), (21, 1028595), (35, 617157), (45, 480011), (47, 459585), (63, 342865), (105, 205719), (141, 153195), (235, 91917), (315, 68573), (329, 65655), (423, 51065), (705, 30639), (987, 21885), (1459, 14805), (1645, 13131), (2115, 10213), (2961, 7295), (4377, 4935)]