21774076

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{887}}^1$

素因数の和:946

約数の個数: 36

約数和(自身を含む): 42629328

約数和(自身を除く): 20855252

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 361, 646, 722, 887, 1292, 1444, 1774, 3548, 6137, 12274, 15079, 16853, 24548, 30158, 33706, 60316, 67412, 286501, 320207, 573002, 640414, 1146004, 1280828, 5443519, 10887038, 21774076]

約数ペア:

[(1, 21774076), (2, 10887038), (4, 5443519), (17, 1280828), (19, 1146004), (34, 640414), (38, 573002), (68, 320207), (76, 286501), (323, 67412), (361, 60316), (646, 33706), (722, 30158), (887, 24548), (1292, 16853), (1444, 15079), (1774, 12274), (3548, 6137)]