21863216

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{47119}}^1$

素因数の和:47156

約数の個数: 20

約数和(自身を含む): 43821600

約数和(自身を除く): 21958384

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 47119, 94238, 188476, 376952, 753904, 1366451, 2732902, 5465804, 10931608, 21863216]

約数ペア:

[(1, 21863216), (2, 10931608), (4, 5465804), (8, 2732902), (16, 1366451), (29, 753904), (58, 376952), (116, 188476), (232, 94238), (464, 47119)]