21843388

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2161}}^1$

素因数の和:2210

約数の個数: 36

約数和(自身を含む): 46128432

約数和(自身を除く): 24285044

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2161, 2527, 4322, 5054, 8644, 10108, 15127, 30254, 41059, 60508, 82118, 164236, 287413, 574826, 780121, 1149652, 1560242, 3120484, 5460847, 10921694, 21843388]

約数ペア:

[(1, 21843388), (2, 10921694), (4, 5460847), (7, 3120484), (14, 1560242), (19, 1149652), (28, 780121), (38, 574826), (76, 287413), (133, 164236), (266, 82118), (361, 60508), (532, 41059), (722, 30254), (1444, 15127), (2161, 10108), (2527, 8644), (4322, 5054)]