21787672685

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1\times {\mathrm{16927}}^1$

素因数の和:17765

約数の個数: 32

約数和(自身を含む): 29178455040

約数和(自身を除く): 7390782355

約数列:

[1, 5, 17, 19, 85, 95, 323, 797, 1615, 3985, 13549, 15143, 16927, 67745, 75715, 84635, 257431, 287759, 321613, 1287155, 1438795, 1608065, 5467421, 13490819, 27337105, 67454095, 229343923, 256325561, 1146719615, 1281627805, 4357534537, 21787672685]

約数ペア:

[(1, 21787672685), (5, 4357534537), (17, 1281627805), (19, 1146719615), (85, 256325561), (95, 229343923), (323, 67454095), (797, 27337105), (1615, 13490819), (3985, 5467421), (13549, 1608065), (15143, 1438795), (16927, 1287155), (67745, 321613), (75715, 287759), (84635, 257431)]