21439924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28663}}^1$

素因数の和:28695

約数の個数: 24

約数和(自身を含む): 43339968

約数和(自身を除く): 21900044

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 28663, 57326, 114652, 315293, 487271, 630586, 974542, 1261172, 1949084, 5359981, 10719962, 21439924]

約数ペア:

[(1, 21439924), (2, 10719962), (4, 5359981), (11, 1949084), (17, 1261172), (22, 974542), (34, 630586), (44, 487271), (68, 315293), (187, 114652), (374, 57326), (748, 28663)]