21609896

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{35081}}^1$

素因数の和:35105

約数の個数: 32

約数和(自身を含む): 50518080

約数和(自身を除く): 28908184

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 35081, 70162, 140324, 245567, 280648, 385891, 491134, 771782, 982268, 1543564, 1964536, 2701237, 3087128, 5402474, 10804948, 21609896]

約数ペア:

[(1, 21609896), (2, 10804948), (4, 5402474), (7, 3087128), (8, 2701237), (11, 1964536), (14, 1543564), (22, 982268), (28, 771782), (44, 491134), (56, 385891), (77, 280648), (88, 245567), (154, 140324), (308, 70162), (616, 35081)]