21939072

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 128

約数和(自身を含む): 63974400

約数和(自身を除く): 42035328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 32, 38, 48, 57, 62, 64, 76, 93, 96, 97, 114, 124, 128, 152, 186, 192, 194, 228, 248, 291, 304, 372, 384, 388, 456, 496, 582, 589, 608, 744, 776, 912, 992, 1164, 1178, 1216, 1488, 1552, 1767, 1824, 1843, 1984, 2328, 2356, 2432, 2976, 3007, 3104, 3534, 3648, 3686, 3968, 4656, 4712, 5529, 5952, 6014, 6208, 7068, 7296, 7372, 9021, 9312, 9424, 11058, 11904, 12028, 12416, 14136, 14744, 18042, 18624, 18848, 22116, 24056, 28272, 29488, 36084, 37248, 37696, 44232, 48112, 56544, 57133, 58976, 72168, 75392, 88464, 96224, 113088, 114266, 117952, 144336, 171399, 176928, 192448, 226176, 228532, 235904, 288672, 342798, 353856, 384896, 457064, 577344, 685596, 707712, 914128, 1154688, 1371192, 1828256, 2742384, 3656512, 5484768, 7313024, 10969536, 21939072]

約数ペア:

[(1, 21939072), (2, 10969536), (3, 7313024), (4, 5484768), (6, 3656512), (8, 2742384), (12, 1828256), (16, 1371192), (19, 1154688), (24, 914128), (31, 707712), (32, 685596), (38, 577344), (48, 457064), (57, 384896), (62, 353856), (64, 342798), (76, 288672), (93, 235904), (96, 228532), (97, 226176), (114, 192448), (124, 176928), (128, 171399), (152, 144336), (186, 117952), (192, 114266), (194, 113088), (228, 96224), (248, 88464), (291, 75392), (304, 72168), (372, 58976), (384, 57133), (388, 56544), (456, 48112), (496, 44232), (582, 37696), (589, 37248), (608, 36084), (744, 29488), (776, 28272), (912, 24056), (992, 22116), (1164, 18848), (1178, 18624), (1216, 18042), (1488, 14744), (1552, 14136), (1767, 12416), (1824, 12028), (1843, 11904), (1984, 11058), (2328, 9424), (2356, 9312), (2432, 9021), (2976, 7372), (3007, 7296), (3104, 7068), (3534, 6208), (3648, 6014), (3686, 5952), (3968, 5529), (4656, 4712)]