21304120

素因数分解:

$2^3\times 5^1\times {\mathrm{532603}}^1$

素因数の和:532614

約数の個数: 16

約数和(自身を含む): 47934360

約数和(自身を除く): 26630240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 532603, 1065206, 2130412, 2663015, 4260824, 5326030, 10652060, 21304120]

約数ペア:

[(1, 21304120), (2, 10652060), (4, 5326030), (5, 4260824), (8, 2663015), (10, 2130412), (20, 1065206), (40, 532603)]