21179935

素因数分解:

$5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{1307}}^1$

素因数の和:1782

約数の個数: 16

約数和(自身を含む): 29131776

約数和(自身を除く): 7951841

約数列:

[1, 5, 7, 35, 463, 1307, 2315, 3241, 6535, 9149, 16205, 45745, 605141, 3025705, 4235987, 21179935]

約数ペア:

[(1, 21179935), (5, 4235987), (7, 3025705), (35, 605141), (463, 45745), (1307, 16205), (2315, 9149), (3241, 6535)]