21904431490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{465161}}^1$

素因数の和:465462

約数の個数: 32

約数和(自身を含む): 41898071664

約数和(自身を除く): 19993640174

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 277, 554, 1385, 2770, 4709, 9418, 23545, 47090, 465161, 930322, 2325805, 4651610, 7907737, 15815474, 39538685, 79077370, 128849597, 257699194, 644247985, 1288495970, 2190443149, 4380886298, 10952215745, 21904431490]

約数ペア:

[(1, 21904431490), (2, 10952215745), (5, 4380886298), (10, 2190443149), (17, 1288495970), (34, 644247985), (85, 257699194), (170, 128849597), (277, 79077370), (554, 39538685), (1385, 15815474), (2770, 7907737), (4709, 4651610), (9418, 2325805), (23545, 930322), (47090, 465161)]