21251030

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{677}}^1$

素因数の和:800

約数の個数: 32

約数和(自身を含む): 39736224

約数和(自身を除く): 18485194

約数列:

[1, 2, 5, 10, 43, 73, 86, 146, 215, 365, 430, 677, 730, 1354, 3139, 3385, 6278, 6770, 15695, 29111, 31390, 49421, 58222, 98842, 145555, 247105, 291110, 494210, 2125103, 4250206, 10625515, 21251030]

約数ペア:

[(1, 21251030), (2, 10625515), (5, 4250206), (10, 2125103), (43, 494210), (73, 291110), (86, 247105), (146, 145555), (215, 98842), (365, 58222), (430, 49421), (677, 31390), (730, 29111), (1354, 15695), (3139, 6770), (3385, 6278)]