21510063

素因数分解:

$3^3\times {\mathrm{31}}^2\times {\mathrm{829}}^1$

素因数の和:900

約数の個数: 24

約数和(自身を含む): 32967600

約数和(自身を除く): 11457537

約数列:

[1, 3, 9, 27, 31, 93, 279, 829, 837, 961, 2487, 2883, 7461, 8649, 22383, 25699, 25947, 77097, 231291, 693873, 796669, 2390007, 7170021, 21510063]

約数ペア:

[(1, 21510063), (3, 7170021), (9, 2390007), (27, 796669), (31, 693873), (93, 231291), (279, 77097), (829, 25947), (837, 25699), (961, 22383), (2487, 8649), (2883, 7461)]