21040024

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{5167}}^1$

素因数の和:5682

約数の個数: 16

約数和(自身を含む): 39535200

約数和(自身を除く): 18495176

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 5167, 10334, 20668, 41336, 2630003, 5260006, 10520012, 21040024]

約数ペア:

[(1, 21040024), (2, 10520012), (4, 5260006), (8, 2630003), (509, 41336), (1018, 20668), (2036, 10334), (4072, 5167)]