21170236

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{719}}^1$

素因数の和:1173

約数の個数: 24

約数和(自身を含む): 39372480

約数和(自身を除く): 18202244

約数列:

[1, 2, 4, 17, 34, 68, 433, 719, 866, 1438, 1732, 2876, 7361, 12223, 14722, 24446, 29444, 48892, 311327, 622654, 1245308, 5292559, 10585118, 21170236]

約数ペア:

[(1, 21170236), (2, 10585118), (4, 5292559), (17, 1245308), (34, 622654), (68, 311327), (433, 48892), (719, 29444), (866, 24446), (1438, 14722), (1732, 12223), (2876, 7361)]