21224120

素因数分解:

$2^3\times 5^1\times {\mathrm{530603}}^1$

素因数の和:530614

約数の個数: 16

約数和(自身を含む): 47754360

約数和(自身を除く): 26530240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 530603, 1061206, 2122412, 2653015, 4244824, 5306030, 10612060, 21224120]

約数ペア:

[(1, 21224120), (2, 10612060), (4, 5306030), (5, 4244824), (8, 2653015), (10, 2122412), (20, 1061206), (40, 530603)]