21790752

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 39173088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 71, 92, 96, 138, 139, 142, 184, 213, 276, 278, 284, 368, 417, 426, 552, 556, 568, 736, 834, 852, 1104, 1112, 1136, 1633, 1668, 1704, 2208, 2224, 2272, 3197, 3266, 3336, 3408, 4448, 4899, 6394, 6532, 6672, 6816, 9591, 9798, 9869, 12788, 13064, 13344, 19182, 19596, 19738, 25576, 26128, 29607, 38364, 39192, 39476, 51152, 52256, 59214, 76728, 78384, 78952, 102304, 118428, 153456, 156768, 157904, 226987, 236856, 306912, 315808, 453974, 473712, 680961, 907948, 947424, 1361922, 1815896, 2723844, 3631792, 5447688, 7263584, 10895376, 21790752]

約数ペア:

[(1, 21790752), (2, 10895376), (3, 7263584), (4, 5447688), (6, 3631792), (8, 2723844), (12, 1815896), (16, 1361922), (23, 947424), (24, 907948), (32, 680961), (46, 473712), (48, 453974), (69, 315808), (71, 306912), (92, 236856), (96, 226987), (138, 157904), (139, 156768), (142, 153456), (184, 118428), (213, 102304), (276, 78952), (278, 78384), (284, 76728), (368, 59214), (417, 52256), (426, 51152), (552, 39476), (556, 39192), (568, 38364), (736, 29607), (834, 26128), (852, 25576), (1104, 19738), (1112, 19596), (1136, 19182), (1633, 13344), (1668, 13064), (1704, 12788), (2208, 9869), (2224, 9798), (2272, 9591), (3197, 6816), (3266, 6672), (3336, 6532), (3408, 6394), (4448, 4899)]