21177020697

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{1699}}^1$

素因数の和:2046

約数の個数: 64

約数和(自身を含む): 33906432000

約数和(自身を除く): 12729411303

約数列:

[1, 3, 7, 21, 29, 87, 97, 203, 211, 291, 609, 633, 679, 1477, 1699, 2037, 2813, 4431, 5097, 6119, 8439, 11893, 18357, 19691, 20467, 35679, 42833, 49271, 59073, 61401, 128499, 143269, 147813, 164803, 344897, 358489, 429807, 494409, 593543, 1034691, 1075467, 1153621, 1780629, 2509423, 3460863, 4154801, 4779287, 7528269, 10396181, 12464403, 14337861, 31188543, 33455009, 34773433, 72773267, 100365027, 104320299, 218319801, 243414031, 730242093, 1008429557, 3025288671, 7059006899, 21177020697]

約数ペア:

[(1, 21177020697), (3, 7059006899), (7, 3025288671), (21, 1008429557), (29, 730242093), (87, 243414031), (97, 218319801), (203, 104320299), (211, 100365027), (291, 72773267), (609, 34773433), (633, 33455009), (679, 31188543), (1477, 14337861), (1699, 12464403), (2037, 10396181), (2813, 7528269), (4431, 4779287), (5097, 4154801), (6119, 3460863), (8439, 2509423), (11893, 1780629), (18357, 1153621), (19691, 1075467), (20467, 1034691), (35679, 593543), (42833, 494409), (49271, 429807), (59073, 358489), (61401, 344897), (128499, 164803), (143269, 147813)]