21267876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5387}}^1$

素因数の和:5448

約数の個数: 48

約数和(自身を含む): 57931776

約数和(自身を除く): 36663900

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 5387, 10774, 16161, 21548, 32322, 37709, 64644, 75418, 113127, 150836, 226254, 253189, 452508, 506378, 759567, 1012756, 1519134, 1772323, 3038268, 3544646, 5316969, 7089292, 10633938, 21267876]

約数ペア:

[(1, 21267876), (2, 10633938), (3, 7089292), (4, 5316969), (6, 3544646), (7, 3038268), (12, 1772323), (14, 1519134), (21, 1012756), (28, 759567), (42, 506378), (47, 452508), (84, 253189), (94, 226254), (141, 150836), (188, 113127), (282, 75418), (329, 64644), (564, 37709), (658, 32322), (987, 21548), (1316, 16161), (1974, 10774), (3948, 5387)]