21748104

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43151}}^1$

素因数の和:43170

約数の個数: 48

約数和(自身を含む): 67317120

約数和(自身を除く): 45569016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 43151, 86302, 129453, 172604, 258906, 302057, 345208, 388359, 517812, 604114, 776718, 906171, 1035624, 1208228, 1553436, 1812342, 2416456, 2718513, 3106872, 3624684, 5437026, 7249368, 10874052, 21748104]

約数ペア:

[(1, 21748104), (2, 10874052), (3, 7249368), (4, 5437026), (6, 3624684), (7, 3106872), (8, 2718513), (9, 2416456), (12, 1812342), (14, 1553436), (18, 1208228), (21, 1035624), (24, 906171), (28, 776718), (36, 604114), (42, 517812), (56, 388359), (63, 345208), (72, 302057), (84, 258906), (126, 172604), (168, 129453), (252, 86302), (504, 43151)]