21836003329

素因数分解:

$7^2\times {\mathrm{2251}}^1\times {\mathrm{197971}}^1$

素因数の和:200236

約数の個数: 12

約数和(自身を含む): 25412477808

約数和(自身を除く): 3576474479

約数列:

[1, 7, 49, 2251, 15757, 110299, 197971, 1385797, 9700579, 445632721, 3119429047, 21836003329]

約数ペア:

[(1, 21836003329), (7, 3119429047), (49, 445632721), (2251, 9700579), (15757, 1385797), (110299, 197971)]