21563968

素因数分解:

$2^6\times {\mathrm{347}}^1\times {\mathrm{971}}^1$

素因数の和:1330

約数の個数: 28

約数和(自身を含む): 42958512

約数和(自身を除く): 21394544

約数列:

[1, 2, 4, 8, 16, 32, 64, 347, 694, 971, 1388, 1942, 2776, 3884, 5552, 7768, 11104, 15536, 22208, 31072, 62144, 336937, 673874, 1347748, 2695496, 5390992, 10781984, 21563968]

約数ペア:

[(1, 21563968), (2, 10781984), (4, 5390992), (8, 2695496), (16, 1347748), (32, 673874), (64, 336937), (347, 62144), (694, 31072), (971, 22208), (1388, 15536), (1942, 11104), (2776, 7768), (3884, 5552)]