21630978194

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2216743}}^1$

素因数の和:2216810

約数の個数: 32

約数和(自身を含む): 40220603136

約数和(自身を除く): 18589624942

約数列:

[1, 2, 7, 14, 17, 34, 41, 82, 119, 238, 287, 574, 697, 1394, 4879, 9758, 2216743, 4433486, 15517201, 31034402, 37684631, 75369262, 90886463, 181772926, 263792417, 527584834, 636205241, 1272410482, 1545069871, 3090139742, 10815489097, 21630978194]

約数ペア:

[(1, 21630978194), (2, 10815489097), (7, 3090139742), (14, 1545069871), (17, 1272410482), (34, 636205241), (41, 527584834), (82, 263792417), (119, 181772926), (238, 90886463), (287, 75369262), (574, 37684631), (697, 31034402), (1394, 15517201), (4879, 4433486), (9758, 2216743)]