21615165

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3359}}^1$

素因数の和:3394

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 22414275

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 195, 429, 495, 585, 715, 1287, 2145, 3359, 6435, 10077, 16795, 30231, 36949, 43667, 50385, 110847, 131001, 151155, 184745, 218335, 332541, 393003, 480337, 554235, 655005, 1441011, 1662705, 1965015, 2401685, 4323033, 7205055, 21615165]

約数ペア:

[(1, 21615165), (3, 7205055), (5, 4323033), (9, 2401685), (11, 1965015), (13, 1662705), (15, 1441011), (33, 655005), (39, 554235), (45, 480337), (55, 393003), (65, 332541), (99, 218335), (117, 184745), (143, 151155), (165, 131001), (195, 110847), (429, 50385), (495, 43667), (585, 36949), (715, 30231), (1287, 16795), (2145, 10077), (3359, 6435)]