21702153248

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{64781}}^1$

素因数の和:64858

約数の個数: 72

約数和(自身を含む): 46648870380

約数和(自身を除く): 24946717132

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 76, 116, 152, 232, 304, 361, 464, 551, 608, 722, 928, 1102, 1444, 2204, 2888, 4408, 5776, 8816, 10469, 11552, 17632, 20938, 41876, 64781, 83752, 129562, 167504, 259124, 335008, 518248, 1036496, 1230839, 1878649, 2072992, 2461678, 3757298, 4923356, 7514596, 9846712, 15029192, 19693424, 23385941, 30058384, 35694331, 39386848, 46771882, 60116768, 71388662, 93543764, 142777324, 187087528, 285554648, 374175056, 571109296, 678192289, 748350112, 1142218592, 1356384578, 2712769156, 5425538312, 10851076624, 21702153248]

約数ペア:

[(1, 21702153248), (2, 10851076624), (4, 5425538312), (8, 2712769156), (16, 1356384578), (19, 1142218592), (29, 748350112), (32, 678192289), (38, 571109296), (58, 374175056), (76, 285554648), (116, 187087528), (152, 142777324), (232, 93543764), (304, 71388662), (361, 60116768), (464, 46771882), (551, 39386848), (608, 35694331), (722, 30058384), (928, 23385941), (1102, 19693424), (1444, 15029192), (2204, 9846712), (2888, 7514596), (4408, 4923356), (5776, 3757298), (8816, 2461678), (10469, 2072992), (11552, 1878649), (17632, 1230839), (20938, 1036496), (41876, 518248), (64781, 335008), (83752, 259124), (129562, 167504)]