21043136

素因数分解:

$2^6\times {\mathrm{277}}^1\times {\mathrm{1187}}^1$

素因数の和:1476

約数の個数: 28

約数和(自身を含む): 41943528

約数和(自身を除く): 20900392

約数列:

[1, 2, 4, 8, 16, 32, 64, 277, 554, 1108, 1187, 2216, 2374, 4432, 4748, 8864, 9496, 17728, 18992, 37984, 75968, 328799, 657598, 1315196, 2630392, 5260784, 10521568, 21043136]

約数ペア:

[(1, 21043136), (2, 10521568), (4, 5260784), (8, 2630392), (16, 1315196), (32, 657598), (64, 328799), (277, 75968), (554, 37984), (1108, 18992), (1187, 17728), (2216, 9496), (2374, 8864), (4432, 4748)]