17421940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{51241}}^1$

素因数の和:51267

約数の個数: 24

約数和(自身を含む): 38738952

約数和(自身を除く): 21317012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 51241, 102482, 204964, 256205, 512410, 871097, 1024820, 1742194, 3484388, 4355485, 8710970, 17421940]

約数ペア:

[(1, 17421940), (2, 8710970), (4, 4355485), (5, 3484388), (10, 1742194), (17, 1024820), (20, 871097), (34, 512410), (68, 256205), (85, 204964), (170, 102482), (340, 51241)]