21884247

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1373}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 41154048

約数和(自身を除く): 19269801

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1373, 1449, 1771, 2277, 4119, 5313, 9611, 12357, 15103, 15939, 28833, 31579, 45309, 86499, 94737, 105721, 135927, 221053, 284211, 317163, 347369, 663159, 951489, 1042107, 1989477, 2431583, 3126321, 7294749, 21884247]

約数ペア:

[(1, 21884247), (3, 7294749), (7, 3126321), (9, 2431583), (11, 1989477), (21, 1042107), (23, 951489), (33, 663159), (63, 347369), (69, 317163), (77, 284211), (99, 221053), (161, 135927), (207, 105721), (231, 94737), (253, 86499), (483, 45309), (693, 31579), (759, 28833), (1373, 15939), (1449, 15103), (1771, 12357), (2277, 9611), (4119, 5313)]