21789728384

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{66161}}^1$

素因数の和:66289

約数の個数: 64

約数和(自身を含む): 45350081280

約数和(自身を除く): 23560352896

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 83, 124, 128, 166, 248, 332, 496, 664, 992, 1328, 1984, 2573, 2656, 3968, 5146, 5312, 10292, 10624, 20584, 41168, 66161, 82336, 132322, 164672, 264644, 329344, 529288, 1058576, 2050991, 2117152, 4101982, 4234304, 5491363, 8203964, 8468608, 10982726, 16407928, 21965452, 32815856, 43930904, 65631712, 87861808, 131263424, 170232253, 175723616, 262526848, 340464506, 351447232, 680929012, 702894464, 1361858024, 2723716048, 5447432096, 10894864192, 21789728384]

約数ペア:

[(1, 21789728384), (2, 10894864192), (4, 5447432096), (8, 2723716048), (16, 1361858024), (31, 702894464), (32, 680929012), (62, 351447232), (64, 340464506), (83, 262526848), (124, 175723616), (128, 170232253), (166, 131263424), (248, 87861808), (332, 65631712), (496, 43930904), (664, 32815856), (992, 21965452), (1328, 16407928), (1984, 10982726), (2573, 8468608), (2656, 8203964), (3968, 5491363), (5146, 4234304), (5312, 4101982), (10292, 2117152), (10624, 2050991), (20584, 1058576), (41168, 529288), (66161, 329344), (82336, 264644), (132322, 164672)]