21144188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21401}}^1$

素因数の和:21437

約数の個数: 24

約数和(自身を含む): 41947920

約数和(自身を除く): 20803732

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21401, 42802, 85604, 278213, 406619, 556426, 813238, 1112852, 1626476, 5286047, 10572094, 21144188]

約数ペア:

[(1, 21144188), (2, 10572094), (4, 5286047), (13, 1626476), (19, 1112852), (26, 813238), (38, 556426), (52, 406619), (76, 278213), (247, 85604), (494, 42802), (988, 21401)]