21416180

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2473}}^1$

素因数の和:2915

約数の個数: 24

約数和(自身を含む): 45096072

約数和(自身を除く): 23679892

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 2473, 4330, 4946, 8660, 9892, 12365, 24730, 49460, 1070809, 2141618, 4283236, 5354045, 10708090, 21416180]

約数ペア:

[(1, 21416180), (2, 10708090), (4, 5354045), (5, 4283236), (10, 2141618), (20, 1070809), (433, 49460), (866, 24730), (1732, 12365), (2165, 9892), (2473, 8660), (4330, 4946)]