21032676

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:710

約数の個数: 96

約数和(自身を含む): 63866880

約数和(自身を除く): 42834204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 54, 63, 84, 86, 108, 126, 129, 172, 189, 252, 258, 301, 378, 387, 516, 602, 647, 756, 774, 903, 1161, 1204, 1294, 1548, 1806, 1941, 2322, 2588, 2709, 3612, 3882, 4529, 4644, 5418, 5823, 7764, 8127, 9058, 10836, 11646, 13587, 16254, 17469, 18116, 23292, 27174, 27821, 32508, 34938, 40761, 54348, 55642, 69876, 81522, 83463, 111284, 122283, 163044, 166926, 194747, 244566, 250389, 333852, 389494, 489132, 500778, 584241, 751167, 778988, 1001556, 1168482, 1502334, 1752723, 2336964, 3004668, 3505446, 5258169, 7010892, 10516338, 21032676]

約数ペア:

[(1, 21032676), (2, 10516338), (3, 7010892), (4, 5258169), (6, 3505446), (7, 3004668), (9, 2336964), (12, 1752723), (14, 1502334), (18, 1168482), (21, 1001556), (27, 778988), (28, 751167), (36, 584241), (42, 500778), (43, 489132), (54, 389494), (63, 333852), (84, 250389), (86, 244566), (108, 194747), (126, 166926), (129, 163044), (172, 122283), (189, 111284), (252, 83463), (258, 81522), (301, 69876), (378, 55642), (387, 54348), (516, 40761), (602, 34938), (647, 32508), (756, 27821), (774, 27174), (903, 23292), (1161, 18116), (1204, 17469), (1294, 16254), (1548, 13587), (1806, 11646), (1941, 10836), (2322, 9058), (2588, 8127), (2709, 7764), (3612, 5823), (3882, 5418), (4529, 4644)]