21830445

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1777}}^1$

素因数の和:1811

約数の個数: 64

約数和(自身を含む): 47792640

約数和(自身を除く): 25962195

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1755, 1777, 2457, 4095, 5331, 8885, 12285, 12439, 15993, 23101, 26655, 37317, 47979, 62195, 69303, 79965, 111951, 115505, 161707, 186585, 207909, 239895, 335853, 346515, 485121, 559755, 623727, 808535, 1039545, 1455363, 1679265, 2425605, 3118635, 4366089, 7276815, 21830445]

約数ペア:

[(1, 21830445), (3, 7276815), (5, 4366089), (7, 3118635), (9, 2425605), (13, 1679265), (15, 1455363), (21, 1039545), (27, 808535), (35, 623727), (39, 559755), (45, 485121), (63, 346515), (65, 335853), (91, 239895), (105, 207909), (117, 186585), (135, 161707), (189, 115505), (195, 111951), (273, 79965), (315, 69303), (351, 62195), (455, 47979), (585, 37317), (819, 26655), (945, 23101), (1365, 15993), (1755, 12439), (1777, 12285), (2457, 8885), (4095, 5331)]