21706894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{42899}}^1$

素因数の和:42935

約数の個数: 16

約数和(自身を含む): 37065600

約数和(自身を除く): 15358706

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 42899, 85798, 471889, 943778, 986677, 1973354, 10853447, 21706894]

約数ペア:

[(1, 21706894), (2, 10853447), (11, 1973354), (22, 986677), (23, 943778), (46, 471889), (253, 85798), (506, 42899)]