21171662

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 13664818

約数列:

[1, 2, 19, 38, 41, 82, 107, 127, 214, 254, 779, 1558, 2033, 2413, 4066, 4387, 4826, 5207, 8774, 10414, 13589, 27178, 83353, 98933, 166706, 197866, 258191, 516382, 557149, 1114298, 10585831, 21171662]

約数ペア:

[(1, 21171662), (2, 10585831), (19, 1114298), (38, 557149), (41, 516382), (82, 258191), (107, 197866), (127, 166706), (214, 98933), (254, 83353), (779, 27178), (1558, 13589), (2033, 10414), (2413, 8774), (4066, 5207), (4387, 4826)]