21397824

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:118

約数の個数: 224

約数和(自身を含む): 75590400

約数和(自身を除く): 54192576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 29, 32, 36, 42, 48, 54, 56, 58, 61, 63, 64, 72, 84, 87, 96, 108, 112, 116, 122, 126, 144, 168, 174, 183, 189, 192, 203, 216, 224, 232, 244, 252, 261, 288, 336, 348, 366, 378, 406, 427, 432, 448, 464, 488, 504, 522, 549, 576, 609, 672, 696, 732, 756, 783, 812, 854, 864, 928, 976, 1008, 1044, 1098, 1218, 1281, 1344, 1392, 1464, 1512, 1566, 1624, 1647, 1708, 1728, 1769, 1827, 1856, 1952, 2016, 2088, 2196, 2436, 2562, 2784, 2928, 3024, 3132, 3248, 3294, 3416, 3538, 3654, 3843, 3904, 4032, 4176, 4392, 4872, 5124, 5307, 5481, 5568, 5856, 6048, 6264, 6496, 6588, 6832, 7076, 7308, 7686, 8352, 8784, 9744, 10248, 10614, 10962, 11529, 11712, 12096, 12383, 12528, 12992, 13176, 13664, 14152, 14616, 15372, 15921, 16704, 17568, 19488, 20496, 21228, 21924, 23058, 24766, 25056, 26352, 27328, 28304, 29232, 30744, 31842, 35136, 37149, 38976, 40992, 42456, 43848, 46116, 47763, 49532, 50112, 52704, 56608, 58464, 61488, 63684, 74298, 81984, 84912, 87696, 92232, 95526, 99064, 105408, 111447, 113216, 116928, 122976, 127368, 148596, 169824, 175392, 184464, 191052, 198128, 222894, 245952, 254736, 297192, 334341, 339648, 350784, 368928, 382104, 396256, 445788, 509472, 594384, 668682, 737856, 764208, 792512, 891576, 1018944, 1188768, 1337364, 1528416, 1783152, 2377536, 2674728, 3056832, 3566304, 5349456, 7132608, 10698912, 21397824]

約数ペア:

[(1, 21397824), (2, 10698912), (3, 7132608), (4, 5349456), (6, 3566304), (7, 3056832), (8, 2674728), (9, 2377536), (12, 1783152), (14, 1528416), (16, 1337364), (18, 1188768), (21, 1018944), (24, 891576), (27, 792512), (28, 764208), (29, 737856), (32, 668682), (36, 594384), (42, 509472), (48, 445788), (54, 396256), (56, 382104), (58, 368928), (61, 350784), (63, 339648), (64, 334341), (72, 297192), (84, 254736), (87, 245952), (96, 222894), (108, 198128), (112, 191052), (116, 184464), (122, 175392), (126, 169824), (144, 148596), (168, 127368), (174, 122976), (183, 116928), (189, 113216), (192, 111447), (203, 105408), (216, 99064), (224, 95526), (232, 92232), (244, 87696), (252, 84912), (261, 81984), (288, 74298), (336, 63684), (348, 61488), (366, 58464), (378, 56608), (406, 52704), (427, 50112), (432, 49532), (448, 47763), (464, 46116), (488, 43848), (504, 42456), (522, 40992), (549, 38976), (576, 37149), (609, 35136), (672, 31842), (696, 30744), (732, 29232), (756, 28304), (783, 27328), (812, 26352), (854, 25056), (864, 24766), (928, 23058), (976, 21924), (1008, 21228), (1044, 20496), (1098, 19488), (1218, 17568), (1281, 16704), (1344, 15921), (1392, 15372), (1464, 14616), (1512, 14152), (1566, 13664), (1624, 13176), (1647, 12992), (1708, 12528), (1728, 12383), (1769, 12096), (1827, 11712), (1856, 11529), (1952, 10962), (2016, 10614), (2088, 10248), (2196, 9744), (2436, 8784), (2562, 8352), (2784, 7686), (2928, 7308), (3024, 7076), (3132, 6832), (3248, 6588), (3294, 6496), (3416, 6264), (3538, 6048), (3654, 5856), (3843, 5568), (3904, 5481), (4032, 5307), (4176, 5124), (4392, 4872)]