21431715838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1\times {\mathrm{27107}}^1$

素因数の和:27816

約数の個数: 32

約数和(自身を含む): 35413023744

約数和(自身を除く): 13981307906

約数列:

[1, 2, 13, 26, 47, 94, 611, 647, 1222, 1294, 8411, 16822, 27107, 30409, 54214, 60818, 352391, 395317, 704782, 790634, 1274029, 2548058, 16562377, 17538229, 33124754, 35076458, 227996977, 455993954, 824296763, 1648593526, 10715857919, 21431715838]

約数ペア:

[(1, 21431715838), (2, 10715857919), (13, 1648593526), (26, 824296763), (47, 455993954), (94, 227996977), (611, 35076458), (647, 33124754), (1222, 17538229), (1294, 16562377), (8411, 2548058), (16822, 1274029), (27107, 790634), (30409, 704782), (54214, 395317), (60818, 352391)]