21376292

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1747}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 46986240

約数和(自身を除く): 25609948

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 76, 92, 133, 161, 266, 322, 437, 532, 644, 874, 1747, 1748, 3059, 3494, 6118, 6988, 12229, 12236, 24458, 33193, 40181, 48916, 66386, 80362, 132772, 160724, 232351, 281267, 464702, 562534, 763439, 929404, 1125068, 1526878, 3053756, 5344073, 10688146, 21376292]

約数ペア:

[(1, 21376292), (2, 10688146), (4, 5344073), (7, 3053756), (14, 1526878), (19, 1125068), (23, 929404), (28, 763439), (38, 562534), (46, 464702), (76, 281267), (92, 232351), (133, 160724), (161, 132772), (266, 80362), (322, 66386), (437, 48916), (532, 40181), (644, 33193), (874, 24458), (1747, 12236), (1748, 12229), (3059, 6988), (3494, 6118)]