21276184

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{71879}}^1$

素因数の和:71922

約数の個数: 16

約数和(自身を含む): 40971600

約数和(自身を除く): 19695416

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 71879, 143758, 287516, 575032, 2659523, 5319046, 10638092, 21276184]

約数ペア:

[(1, 21276184), (2, 10638092), (4, 5319046), (8, 2659523), (37, 575032), (74, 287516), (148, 143758), (296, 71879)]