1621057004

素因数分解:

$2^2\times 7^2\times {\mathrm{8270699}}^1$

素因数の和:8270717

約数の個数: 18

約数和(自身を含む): 3300009300

約数和(自身を除く): 1678952296

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 8270699, 16541398, 33082796, 57894893, 115789786, 231579572, 405264251, 810528502, 1621057004]

約数ペア:

[(1, 1621057004), (2, 810528502), (4, 405264251), (7, 231579572), (14, 115789786), (28, 57894893), (49, 33082796), (98, 16541398), (196, 8270699)]