21452807936

素因数分解:

$2^8\times 7^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{857}}^1$

素因数の和:1170

約数の個数: 144

約数和(自身を含む): 50017007040

約数和(自身を除く): 28564199104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 229, 244, 256, 427, 448, 458, 488, 854, 857, 896, 916, 976, 1603, 1708, 1714, 1792, 1832, 1952, 3206, 3416, 3428, 3664, 3904, 5999, 6412, 6832, 6856, 7328, 7808, 11998, 12824, 13664, 13712, 13969, 14656, 15616, 23996, 25648, 27328, 27424, 27938, 29312, 47992, 51296, 52277, 54656, 54848, 55876, 58624, 95984, 97783, 102592, 104554, 109312, 109696, 111752, 191968, 195566, 196253, 205184, 209108, 219392, 223504, 365939, 383936, 391132, 392506, 410368, 418216, 447008, 731878, 767872, 782264, 785012, 836432, 894016, 1373771, 1463756, 1535744, 1564528, 1570024, 1672864, 1788032, 2747542, 2927512, 3129056, 3140048, 3345728, 3576064, 5495084, 5855024, 6258112, 6280096, 6691456, 10990168, 11710048, 11971433, 12516224, 12560192, 13382912, 21980336, 23420096, 23942866, 25032448, 25120384, 43960672, 46840192, 47885732, 50240768, 83800031, 87921344, 93680384, 95771464, 167600062, 175842688, 191542928, 335200124, 351685376, 383085856, 670400248, 766171712, 1340800496, 1532343424, 2681600992, 3064686848, 5363201984, 10726403968, 21452807936]

約数ペア:

[(1, 21452807936), (2, 10726403968), (4, 5363201984), (7, 3064686848), (8, 2681600992), (14, 1532343424), (16, 1340800496), (28, 766171712), (32, 670400248), (56, 383085856), (61, 351685376), (64, 335200124), (112, 191542928), (122, 175842688), (128, 167600062), (224, 95771464), (229, 93680384), (244, 87921344), (256, 83800031), (427, 50240768), (448, 47885732), (458, 46840192), (488, 43960672), (854, 25120384), (857, 25032448), (896, 23942866), (916, 23420096), (976, 21980336), (1603, 13382912), (1708, 12560192), (1714, 12516224), (1792, 11971433), (1832, 11710048), (1952, 10990168), (3206, 6691456), (3416, 6280096), (3428, 6258112), (3664, 5855024), (3904, 5495084), (5999, 3576064), (6412, 3345728), (6832, 3140048), (6856, 3129056), (7328, 2927512), (7808, 2747542), (11998, 1788032), (12824, 1672864), (13664, 1570024), (13712, 1564528), (13969, 1535744), (14656, 1463756), (15616, 1373771), (23996, 894016), (25648, 836432), (27328, 785012), (27424, 782264), (27938, 767872), (29312, 731878), (47992, 447008), (51296, 418216), (52277, 410368), (54656, 392506), (54848, 391132), (55876, 383936), (58624, 365939), (95984, 223504), (97783, 219392), (102592, 209108), (104554, 205184), (109312, 196253), (109696, 195566), (111752, 191968)]