21150294

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13933}}^1$

素因数の和:13972

約数の個数: 32

約数和(自身を含む): 48155904

約数和(自身を除く): 27005610

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 13933, 27866, 41799, 83598, 153263, 306526, 320459, 459789, 640918, 919578, 961377, 1922754, 3525049, 7050098, 10575147, 21150294]

約数ペア:

[(1, 21150294), (2, 10575147), (3, 7050098), (6, 3525049), (11, 1922754), (22, 961377), (23, 919578), (33, 640918), (46, 459789), (66, 320459), (69, 306526), (138, 153263), (253, 83598), (506, 41799), (759, 27866), (1518, 13933)]