21979427382

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{2803}}^1$

素因数の和:3175

約数の個数: 128

約数和(自身を含む): 54719723520

約数和(自身を除く): 32740296138

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 43, 54, 66, 86, 99, 129, 198, 258, 297, 307, 387, 473, 594, 614, 774, 921, 946, 1161, 1419, 1842, 2322, 2763, 2803, 2838, 3377, 4257, 5526, 5606, 6754, 8289, 8409, 8514, 10131, 12771, 13201, 16578, 16818, 20262, 25227, 25542, 26402, 30393, 30833, 39603, 50454, 60786, 61666, 75681, 79206, 91179, 92499, 118809, 120529, 145211, 151362, 182358, 184998, 237618, 241058, 277497, 290422, 356427, 361587, 435633, 554994, 712854, 723174, 832491, 860521, 871266, 1084761, 1306899, 1325819, 1664982, 1721042, 2169522, 2581563, 2613798, 2651638, 3254283, 3920697, 3977457, 5163126, 6508566, 7744689, 7841394, 7954914, 9465731, 11932371, 15489378, 18931462, 23234067, 23864742, 28397193, 35797113, 37002403, 46468134, 56794386, 71594226, 74004806, 85191579, 111007209, 170383158, 222014418, 255574737, 333021627, 407026433, 511149474, 666043254, 814052866, 999064881, 1221079299, 1998129762, 2442158598, 3663237897, 7326475794, 10989713691, 21979427382]

約数ペア:

[(1, 21979427382), (2, 10989713691), (3, 7326475794), (6, 3663237897), (9, 2442158598), (11, 1998129762), (18, 1221079299), (22, 999064881), (27, 814052866), (33, 666043254), (43, 511149474), (54, 407026433), (66, 333021627), (86, 255574737), (99, 222014418), (129, 170383158), (198, 111007209), (258, 85191579), (297, 74004806), (307, 71594226), (387, 56794386), (473, 46468134), (594, 37002403), (614, 35797113), (774, 28397193), (921, 23864742), (946, 23234067), (1161, 18931462), (1419, 15489378), (1842, 11932371), (2322, 9465731), (2763, 7954914), (2803, 7841394), (2838, 7744689), (3377, 6508566), (4257, 5163126), (5526, 3977457), (5606, 3920697), (6754, 3254283), (8289, 2651638), (8409, 2613798), (8514, 2581563), (10131, 2169522), (12771, 1721042), (13201, 1664982), (16578, 1325819), (16818, 1306899), (20262, 1084761), (25227, 871266), (25542, 860521), (26402, 832491), (30393, 723174), (30833, 712854), (39603, 554994), (50454, 435633), (60786, 361587), (61666, 356427), (75681, 290422), (79206, 277497), (91179, 241058), (92499, 237618), (118809, 184998), (120529, 182358), (145211, 151362)]