21882718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4027}}^1$

素因数の和:4072

約数の個数: 32

約数和(自身を含む): 40602240

約数和(自身を除く): 18719522

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 4027, 5434, 8054, 44297, 52351, 76513, 88594, 104702, 153026, 575861, 841643, 994669, 1151722, 1683286, 1989338, 10941359, 21882718]

約数ペア:

[(1, 21882718), (2, 10941359), (11, 1989338), (13, 1683286), (19, 1151722), (22, 994669), (26, 841643), (38, 575861), (143, 153026), (209, 104702), (247, 88594), (286, 76513), (418, 52351), (494, 44297), (2717, 8054), (4027, 5434)]