21158948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{5101}}^1$

素因数の和:5183

約数の個数: 24

約数和(自身を含む): 39856824

約数和(自身を除く): 18697876

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 1037, 2074, 4148, 5101, 10202, 20404, 86717, 173434, 311161, 346868, 622322, 1244644, 5289737, 10579474, 21158948]

約数ペア:

[(1, 21158948), (2, 10579474), (4, 5289737), (17, 1244644), (34, 622322), (61, 346868), (68, 311161), (122, 173434), (244, 86717), (1037, 20404), (2074, 10202), (4148, 5101)]