21763328

素因数分解:

$2^8\times {\mathrm{151}}^1\times {\mathrm{563}}^1$

素因数の和:730

約数の個数: 36

約数和(自身を含む): 43807008

約数和(自身を除く): 22043680

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 151, 256, 302, 563, 604, 1126, 1208, 2252, 2416, 4504, 4832, 9008, 9664, 18016, 19328, 36032, 38656, 72064, 85013, 144128, 170026, 340052, 680104, 1360208, 2720416, 5440832, 10881664, 21763328]

約数ペア:

[(1, 21763328), (2, 10881664), (4, 5440832), (8, 2720416), (16, 1360208), (32, 680104), (64, 340052), (128, 170026), (151, 144128), (256, 85013), (302, 72064), (563, 38656), (604, 36032), (1126, 19328), (1208, 18016), (2252, 9664), (2416, 9008), (4504, 4832)]