21771464

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19031}}^1$

素因数の和:19061

約数の個数: 32

約数和(自身を含む): 47960640

約数和(自身を除く): 26189176

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 19031, 38062, 76124, 152248, 209341, 247403, 418682, 494806, 837364, 989612, 1674728, 1979224, 2721433, 5442866, 10885732, 21771464]

約数ペア:

[(1, 21771464), (2, 10885732), (4, 5442866), (8, 2721433), (11, 1979224), (13, 1674728), (22, 989612), (26, 837364), (44, 494806), (52, 418682), (88, 247403), (104, 209341), (143, 152248), (286, 76124), (572, 38062), (1144, 19031)]