21000775103

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{38962477}}^1$

素因数の和:38962502

約数の個数: 12

約数和(自身を含む): 26650334952

約数和(自身を除く): 5649559849

約数列:

[1, 7, 11, 49, 77, 539, 38962477, 272737339, 428587247, 1909161373, 3000110729, 21000775103]

約数ペア:

[(1, 21000775103), (7, 3000110729), (11, 1909161373), (49, 428587247), (77, 272737339), (539, 38962477)]