21178049584

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{151}}^1\times {\mathrm{77573}}^1$

素因数の和:77845

約数の個数: 40

約数和(自身を含む): 41670270432

約数和(自身を除く): 20492220848

約数列:

[1, 2, 4, 8, 16, 113, 151, 226, 302, 452, 604, 904, 1208, 1808, 2416, 17063, 34126, 68252, 77573, 136504, 155146, 273008, 310292, 620584, 1241168, 8765749, 11713523, 17531498, 23427046, 35062996, 46854092, 70125992, 93708184, 140251984, 187416368, 1323628099, 2647256198, 5294512396, 10589024792, 21178049584]

約数ペア:

[(1, 21178049584), (2, 10589024792), (4, 5294512396), (8, 2647256198), (16, 1323628099), (113, 187416368), (151, 140251984), (226, 93708184), (302, 70125992), (452, 46854092), (604, 35062996), (904, 23427046), (1208, 17531498), (1808, 11713523), (2416, 8765749), (17063, 1241168), (34126, 620584), (68252, 310292), (77573, 273008), (136504, 155146)]