21006056

素因数分解:

$2^3\times {\mathrm{313}}^1\times {\mathrm{8389}}^1$

素因数の和:8708

約数の個数: 16

約数和(自身を含む): 39516900

約数和(自身を除く): 18510844

約数列:

[1, 2, 4, 8, 313, 626, 1252, 2504, 8389, 16778, 33556, 67112, 2625757, 5251514, 10503028, 21006056]

約数ペア:

[(1, 21006056), (2, 10503028), (4, 5251514), (8, 2625757), (313, 67112), (626, 33556), (1252, 16778), (2504, 8389)]