21463145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 8085655

約数列:

[1, 5, 11, 37, 53, 55, 185, 199, 265, 407, 583, 995, 1961, 2035, 2189, 2915, 7363, 9805, 10547, 10945, 21571, 36815, 52735, 80993, 107855, 116017, 390239, 404965, 580085, 1951195, 4292629, 21463145]

約数ペア:

[(1, 21463145), (5, 4292629), (11, 1951195), (37, 580085), (53, 404965), (55, 390239), (185, 116017), (199, 107855), (265, 80993), (407, 52735), (583, 36815), (995, 21571), (1961, 10945), (2035, 10547), (2189, 9805), (2915, 7363)]