21796068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{829}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 58378880

約数和(自身を除く): 36582812

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 313, 626, 829, 939, 1252, 1658, 1878, 2191, 2487, 3316, 3756, 4382, 4974, 5803, 6573, 8764, 9948, 11606, 13146, 17409, 23212, 26292, 34818, 69636, 259477, 518954, 778431, 1037908, 1556862, 1816339, 3113724, 3632678, 5449017, 7265356, 10898034, 21796068]

約数ペア:

[(1, 21796068), (2, 10898034), (3, 7265356), (4, 5449017), (6, 3632678), (7, 3113724), (12, 1816339), (14, 1556862), (21, 1037908), (28, 778431), (42, 518954), (84, 259477), (313, 69636), (626, 34818), (829, 26292), (939, 23212), (1252, 17409), (1658, 13146), (1878, 11606), (2191, 9948), (2487, 8764), (3316, 6573), (3756, 5803), (4382, 4974)]