21450236

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1607}}^1$

素因数の和:1729

約数の個数: 24

約数和(自身を含む): 38900736

約数和(自身を除く): 17450500

約数列:

[1, 2, 4, 47, 71, 94, 142, 188, 284, 1607, 3214, 3337, 6428, 6674, 13348, 75529, 114097, 151058, 228194, 302116, 456388, 5362559, 10725118, 21450236]

約数ペア:

[(1, 21450236), (2, 10725118), (4, 5362559), (47, 456388), (71, 302116), (94, 228194), (142, 151058), (188, 114097), (284, 75529), (1607, 13348), (3214, 6674), (3337, 6428)]