21956637

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{349}}^1$

素因数の和:732

約数の個数: 16

約数和(自身を含む): 29892800

約数和(自身を除く): 7936163

約数列:

[1, 3, 67, 201, 313, 349, 939, 1047, 20971, 23383, 62913, 70149, 109237, 327711, 7318879, 21956637]

約数ペア:

[(1, 21956637), (3, 7318879), (67, 327711), (201, 109237), (313, 70149), (349, 62913), (939, 23383), (1047, 20971)]