21451932

素因数分解:

$2^2\times 3^3\times {\mathrm{307}}^1\times {\mathrm{647}}^1$

素因数の和:967

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 34431588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 307, 614, 647, 921, 1228, 1294, 1842, 1941, 2588, 2763, 3684, 3882, 5526, 5823, 7764, 8289, 11052, 11646, 16578, 17469, 23292, 33156, 34938, 69876, 198629, 397258, 595887, 794516, 1191774, 1787661, 2383548, 3575322, 5362983, 7150644, 10725966, 21451932]

約数ペア:

[(1, 21451932), (2, 10725966), (3, 7150644), (4, 5362983), (6, 3575322), (9, 2383548), (12, 1787661), (18, 1191774), (27, 794516), (36, 595887), (54, 397258), (108, 198629), (307, 69876), (614, 34938), (647, 33156), (921, 23292), (1228, 17469), (1294, 16578), (1842, 11646), (1941, 11052), (2588, 8289), (2763, 7764), (3684, 5823), (3882, 5526)]