21706756

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{13879}}^1$

素因数の和:13923

約数の個数: 24

約数和(自身を含む): 41973120

約数和(自身を除く): 20266364

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 13879, 27758, 55516, 235943, 319217, 471886, 638434, 943772, 1276868, 5426689, 10853378, 21706756]

約数ペア:

[(1, 21706756), (2, 10853378), (4, 5426689), (17, 1276868), (23, 943772), (34, 638434), (46, 471886), (68, 319217), (92, 235943), (391, 55516), (782, 27758), (1564, 13879)]