21920280728

素因数分解:

$2^3\times {\mathrm{3643}}^1\times {\mathrm{752137}}^1$

素因数の和:755786

約数の個数: 16

約数和(自身を含む): 41111863080

約数和(自身を除く): 19191582352

約数列:

[1, 2, 4, 8, 3643, 7286, 14572, 29144, 752137, 1504274, 3008548, 6017096, 2740035091, 5480070182, 10960140364, 21920280728]

約数ペア:

[(1, 21920280728), (2, 10960140364), (4, 5480070182), (8, 2740035091), (3643, 6017096), (7286, 3008548), (14572, 1504274), (29144, 752137)]