21636874

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{3671}}^1$

素因数の和:4101

約数の個数: 16

約数和(自身を含む): 37190016

約数和(自身を除く): 15553142

約数列:

[1, 2, 7, 14, 421, 842, 2947, 3671, 5894, 7342, 25697, 51394, 1545491, 3090982, 10818437, 21636874]

約数ペア:

[(1, 21636874), (2, 10818437), (7, 3090982), (14, 1545491), (421, 51394), (842, 25697), (2947, 7342), (3671, 5894)]