21782778

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1753}}^1$

素因数の和:1886

約数の個数: 32

約数和(自身を含む): 46305600

約数和(自身を除く): 24522822

約数列:

[1, 2, 3, 6, 19, 38, 57, 109, 114, 218, 327, 654, 1753, 2071, 3506, 4142, 5259, 6213, 10518, 12426, 33307, 66614, 99921, 191077, 199842, 382154, 573231, 1146462, 3630463, 7260926, 10891389, 21782778]

約数ペア:

[(1, 21782778), (2, 10891389), (3, 7260926), (6, 3630463), (19, 1146462), (38, 573231), (57, 382154), (109, 199842), (114, 191077), (218, 99921), (327, 66614), (654, 33307), (1753, 12426), (2071, 10518), (3506, 6213), (4142, 5259)]