21863836

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6841}}^1$

素因数の和:6909

約数の個数: 24

約数和(自身を含む): 41380416

約数和(自身を除く): 19516580

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 799, 1598, 3196, 6841, 13682, 27364, 116297, 232594, 321527, 465188, 643054, 1286108, 5465959, 10931918, 21863836]

約数ペア:

[(1, 21863836), (2, 10931918), (4, 5465959), (17, 1286108), (34, 643054), (47, 465188), (68, 321527), (94, 232594), (188, 116297), (799, 27364), (1598, 13682), (3196, 6841)]