21161856

素因数分解:

$2^7\times 3^1\times {\mathrm{55109}}^1$

素因数の和:55126

約数の個数: 32

約数和(自身を含む): 56212200

約数和(自身を除く): 35050344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 55109, 110218, 165327, 220436, 330654, 440872, 661308, 881744, 1322616, 1763488, 2645232, 3526976, 5290464, 7053952, 10580928, 21161856]

約数ペア:

[(1, 21161856), (2, 10580928), (3, 7053952), (4, 5290464), (6, 3526976), (8, 2645232), (12, 1763488), (16, 1322616), (24, 881744), (32, 661308), (48, 440872), (64, 330654), (96, 220436), (128, 165327), (192, 110218), (384, 55109)]