21917735

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1433}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 33039360

約数和(自身を除く): 11121625

約数列:

[1, 5, 7, 19, 23, 35, 95, 115, 133, 161, 437, 665, 805, 1433, 2185, 3059, 7165, 10031, 15295, 27227, 32959, 50155, 136135, 164795, 190589, 230713, 626221, 952945, 1153565, 3131105, 4383547, 21917735]

約数ペア:

[(1, 21917735), (5, 4383547), (7, 3131105), (19, 1153565), (23, 952945), (35, 626221), (95, 230713), (115, 190589), (133, 164795), (161, 136135), (437, 50155), (665, 32959), (805, 27227), (1433, 15295), (2185, 10031), (3059, 7165)]