21568034236

素因数分解:

$2^2\times 7^2\times {\mathrm{110040991}}^1$

素因数の和:110041009

約数の個数: 18

約数和(自身を含む): 43906355808

約数和(自身を除く): 22338321572

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 110040991, 220081982, 440163964, 770286937, 1540573874, 3081147748, 5392008559, 10784017118, 21568034236]

約数ペア:

[(1, 21568034236), (2, 10784017118), (4, 5392008559), (7, 3081147748), (14, 1540573874), (28, 770286937), (49, 440163964), (98, 220081982), (196, 110040991)]