21494089239

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{5483}}^1$

素因数の和:5720

約数の個数: 64

約数和(自身を含む): 34936151040

約数和(自身を除く): 13442061801

約数列:

[1, 3, 7, 21, 29, 41, 87, 123, 157, 203, 287, 471, 609, 861, 1099, 1189, 3297, 3567, 4553, 5483, 6437, 8323, 13659, 16449, 19311, 24969, 31871, 38381, 45059, 95613, 115143, 135177, 159007, 186673, 224803, 477021, 560019, 674409, 860831, 1113049, 1306711, 1573621, 2582493, 3339147, 3920133, 4720863, 6025817, 6519287, 18077451, 19557861, 24964099, 35294071, 45635009, 74892297, 105882213, 136905027, 174748693, 247058497, 524246079, 741175491, 1023528059, 3070584177, 7164696413, 21494089239]

約数ペア:

[(1, 21494089239), (3, 7164696413), (7, 3070584177), (21, 1023528059), (29, 741175491), (41, 524246079), (87, 247058497), (123, 174748693), (157, 136905027), (203, 105882213), (287, 74892297), (471, 45635009), (609, 35294071), (861, 24964099), (1099, 19557861), (1189, 18077451), (3297, 6519287), (3567, 6025817), (4553, 4720863), (5483, 3920133), (6437, 3339147), (8323, 2582493), (13659, 1573621), (16449, 1306711), (19311, 1113049), (24969, 860831), (31871, 674409), (38381, 560019), (45059, 477021), (95613, 224803), (115143, 186673), (135177, 159007)]