21742878

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2143}}^1$

素因数の和:2256

約数の個数: 32

約数和(自身を含む): 46310400

約数和(自身を除く): 24567522

約数列:

[1, 2, 3, 6, 19, 38, 57, 89, 114, 178, 267, 534, 1691, 2143, 3382, 4286, 5073, 6429, 10146, 12858, 40717, 81434, 122151, 190727, 244302, 381454, 572181, 1144362, 3623813, 7247626, 10871439, 21742878]

約数ペア:

[(1, 21742878), (2, 10871439), (3, 7247626), (6, 3623813), (19, 1144362), (38, 572181), (57, 381454), (89, 244302), (114, 190727), (178, 122151), (267, 81434), (534, 40717), (1691, 12858), (2143, 10146), (3382, 6429), (4286, 5073)]