21874516

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 38949120

約数和(自身を除く): 17074604

約数列:

[1, 2, 4, 137, 179, 223, 274, 358, 446, 548, 716, 892, 24523, 30551, 39917, 49046, 61102, 79834, 98092, 122204, 159668, 5468629, 10937258, 21874516]

約数ペア:

[(1, 21874516), (2, 10937258), (4, 5468629), (137, 159668), (179, 122204), (223, 98092), (274, 79834), (358, 61102), (446, 49046), (548, 39917), (716, 30551), (892, 24523)]