21097395

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14207}}^1$

素因数の和:14232

約数の個数: 32

約数和(自身を含む): 40919040

約数和(自身を除く): 19821645

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 14207, 42621, 71035, 127863, 156277, 213105, 383589, 468831, 639315, 781385, 1406493, 1917945, 2344155, 4219479, 7032465, 21097395]

約数ペア:

[(1, 21097395), (3, 7032465), (5, 4219479), (9, 2344155), (11, 1917945), (15, 1406493), (27, 781385), (33, 639315), (45, 468831), (55, 383589), (99, 213105), (135, 156277), (165, 127863), (297, 71035), (495, 42621), (1485, 14207)]