21376935

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{347}}^1$

素因数の和:432

約数の個数: 36

約数和(自身を含む): 38191608

約数和(自身を除く): 16814673

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 347, 555, 1041, 1369, 1665, 1735, 3123, 4107, 5205, 6845, 12321, 12839, 15615, 20535, 38517, 61605, 64195, 115551, 192585, 475043, 577755, 1425129, 2375215, 4275387, 7125645, 21376935]

約数ペア:

[(1, 21376935), (3, 7125645), (5, 4275387), (9, 2375215), (15, 1425129), (37, 577755), (45, 475043), (111, 192585), (185, 115551), (333, 64195), (347, 61605), (555, 38517), (1041, 20535), (1369, 15615), (1665, 12839), (1735, 12321), (3123, 6845), (4107, 5205)]