21031335

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35951}}^1$

素因数の和:35975

約数の個数: 24

約数和(自身を含む): 39259584

約数和(自身を除く): 18228249

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35951, 107853, 179755, 323559, 467363, 539265, 1402089, 1617795, 2336815, 4206267, 7010445, 21031335]

約数ペア:

[(1, 21031335), (3, 7010445), (5, 4206267), (9, 2336815), (13, 1617795), (15, 1402089), (39, 539265), (45, 467363), (65, 323559), (117, 179755), (195, 107853), (585, 35951)]