21407030

素因数分解:

$2^1\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{1759}}^1$

素因数の和:2983

約数の個数: 16

約数和(自身を含む): 38586240

約数和(自身を除く): 17179210

約数列:

[1, 2, 5, 10, 1217, 1759, 2434, 3518, 6085, 8795, 12170, 17590, 2140703, 4281406, 10703515, 21407030]

約数ペア:

[(1, 21407030), (2, 10703515), (5, 4281406), (10, 2140703), (1217, 17590), (1759, 12170), (2434, 8795), (3518, 6085)]