21356768235

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{868691}}^1$

素因数の和:868859

約数の個数: 32

約数和(自身を含む): 37527494400

約数和(自身を除く): 16170726165

約数列:

[1, 3, 5, 11, 15, 33, 55, 149, 165, 447, 745, 1639, 2235, 4917, 8195, 24585, 868691, 2606073, 4343455, 9555601, 13030365, 28666803, 47778005, 129434959, 143334015, 388304877, 647174795, 1423784549, 1941524385, 4271353647, 7118922745, 21356768235]

約数ペア:

[(1, 21356768235), (3, 7118922745), (5, 4271353647), (11, 1941524385), (15, 1423784549), (33, 647174795), (55, 388304877), (149, 143334015), (165, 129434959), (447, 47778005), (745, 28666803), (1639, 13030365), (2235, 9555601), (4917, 4343455), (8195, 2606073), (24585, 868691)]