21793453445

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1\times {\mathrm{1907}}^1$

素因数の和:2581

約数の個数: 32

約数和(自身を含む): 27106482816

約数和(自身を除く): 5313029371

約数列:

[1, 5, 41, 107, 205, 521, 535, 1907, 2605, 4387, 9535, 21361, 21935, 55747, 78187, 106805, 204049, 278735, 390935, 993547, 1020245, 2285627, 4967735, 8366009, 11428135, 40735427, 41830045, 106309529, 203677135, 531547645, 4358690689, 21793453445]

約数ペア:

[(1, 21793453445), (5, 4358690689), (41, 531547645), (107, 203677135), (205, 106309529), (521, 41830045), (535, 40735427), (1907, 11428135), (2605, 8366009), (4387, 4967735), (9535, 2285627), (21361, 1020245), (21935, 993547), (55747, 390935), (78187, 278735), (106805, 204049)]