21231293472

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{149533}}^1$

素因数の和:149595

約数の個数: 144

約数和(自身を含む): 66132906840

約数和(自身を除く): 44901613368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 29, 32, 34, 36, 48, 51, 58, 68, 72, 87, 96, 102, 116, 136, 144, 153, 174, 204, 232, 261, 272, 288, 306, 348, 408, 464, 493, 522, 544, 612, 696, 816, 928, 986, 1044, 1224, 1392, 1479, 1632, 1972, 2088, 2448, 2784, 2958, 3944, 4176, 4437, 4896, 5916, 7888, 8352, 8874, 11832, 15776, 17748, 23664, 35496, 47328, 70992, 141984, 149533, 299066, 448599, 598132, 897198, 1196264, 1345797, 1794396, 2392528, 2542061, 2691594, 3588792, 4336457, 4785056, 5084122, 5383188, 7177584, 7626183, 8672914, 10168244, 10766376, 13009371, 14355168, 15252366, 17345828, 20336488, 21532752, 22878549, 26018742, 30504732, 34691656, 39028113, 40672976, 43065504, 45757098, 52037484, 61009464, 69383312, 73719769, 78056226, 81345952, 91514196, 104074968, 122018928, 138766624, 147439538, 156112452, 183028392, 208149936, 221159307, 244037856, 294879076, 312224904, 366056784, 416299872, 442318614, 589758152, 624449808, 663477921, 732113568, 884637228, 1179516304, 1248899616, 1326955842, 1769274456, 2359032608, 2653911684, 3538548912, 5307823368, 7077097824, 10615646736, 21231293472]

約数ペア:

[(1, 21231293472), (2, 10615646736), (3, 7077097824), (4, 5307823368), (6, 3538548912), (8, 2653911684), (9, 2359032608), (12, 1769274456), (16, 1326955842), (17, 1248899616), (18, 1179516304), (24, 884637228), (29, 732113568), (32, 663477921), (34, 624449808), (36, 589758152), (48, 442318614), (51, 416299872), (58, 366056784), (68, 312224904), (72, 294879076), (87, 244037856), (96, 221159307), (102, 208149936), (116, 183028392), (136, 156112452), (144, 147439538), (153, 138766624), (174, 122018928), (204, 104074968), (232, 91514196), (261, 81345952), (272, 78056226), (288, 73719769), (306, 69383312), (348, 61009464), (408, 52037484), (464, 45757098), (493, 43065504), (522, 40672976), (544, 39028113), (612, 34691656), (696, 30504732), (816, 26018742), (928, 22878549), (986, 21532752), (1044, 20336488), (1224, 17345828), (1392, 15252366), (1479, 14355168), (1632, 13009371), (1972, 10766376), (2088, 10168244), (2448, 8672914), (2784, 7626183), (2958, 7177584), (3944, 5383188), (4176, 5084122), (4437, 4785056), (4896, 4336457), (5916, 3588792), (7888, 2691594), (8352, 2542061), (8874, 2392528), (11832, 1794396), (15776, 1345797), (17748, 1196264), (23664, 897198), (35496, 598132), (47328, 448599), (70992, 299066), (141984, 149533)]