21151368

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{4663}}^1$

素因数の和:4688

約数の個数: 80

約数和(自身を含む): 67721280

約数和(自身を除く): 46569912

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4536, 4663, 9326, 13989, 18652, 27978, 32641, 37304, 41967, 55956, 65282, 83934, 97923, 111912, 125901, 130564, 167868, 195846, 251802, 261128, 293769, 335736, 377703, 391692, 503604, 587538, 755406, 783384, 881307, 1007208, 1175076, 1510812, 1762614, 2350152, 2643921, 3021624, 3525228, 5287842, 7050456, 10575684, 21151368]

約数ペア:

[(1, 21151368), (2, 10575684), (3, 7050456), (4, 5287842), (6, 3525228), (7, 3021624), (8, 2643921), (9, 2350152), (12, 1762614), (14, 1510812), (18, 1175076), (21, 1007208), (24, 881307), (27, 783384), (28, 755406), (36, 587538), (42, 503604), (54, 391692), (56, 377703), (63, 335736), (72, 293769), (81, 261128), (84, 251802), (108, 195846), (126, 167868), (162, 130564), (168, 125901), (189, 111912), (216, 97923), (252, 83934), (324, 65282), (378, 55956), (504, 41967), (567, 37304), (648, 32641), (756, 27978), (1134, 18652), (1512, 13989), (2268, 9326), (4536, 4663)]