21433450

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{1069}}^1$

素因数の和:1482

約数の個数: 24

約数和(自身を含む): 40003020

約数和(自身を除く): 18569570

約数列:

[1, 2, 5, 10, 25, 50, 401, 802, 1069, 2005, 2138, 4010, 5345, 10025, 10690, 20050, 26725, 53450, 428669, 857338, 2143345, 4286690, 10716725, 21433450]

約数ペア:

[(1, 21433450), (2, 10716725), (5, 4286690), (10, 2143345), (25, 857338), (50, 428669), (401, 53450), (802, 26725), (1069, 20050), (2005, 10690), (2138, 10025), (4010, 5345)]