21521698

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{42533}}^1$

素因数の和:42569

約数の個数: 16

約数和(自身を含む): 36749376

約数和(自身を除く): 15227678

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 42533, 85066, 467863, 935726, 978259, 1956518, 10760849, 21521698]

約数ペア:

[(1, 21521698), (2, 10760849), (11, 1956518), (22, 978259), (23, 935726), (46, 467863), (253, 85066), (506, 42533)]