21535341

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{5639}}^1$

素因数の和:5728

約数の個数: 16

約数和(自身を含む): 30681600

約数和(自身を除く): 9146259

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 5639, 16917, 107141, 321423, 377813, 1133439, 7178447, 21535341]

約数ペア:

[(1, 21535341), (3, 7178447), (19, 1133439), (57, 377813), (67, 321423), (201, 107141), (1273, 16917), (3819, 5639)]