21751464

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3011}}^1$

素因数の和:3070

約数の個数: 64

約数和(自身を含む): 63613440

約数和(自身を除く): 41861976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 3011, 3612, 6022, 7224, 9033, 12044, 18066, 21077, 24088, 36132, 42154, 63231, 72264, 84308, 126462, 129473, 168616, 252924, 258946, 388419, 505848, 517892, 776838, 906311, 1035784, 1553676, 1812622, 2718933, 3107352, 3625244, 5437866, 7250488, 10875732, 21751464]

約数ペア:

[(1, 21751464), (2, 10875732), (3, 7250488), (4, 5437866), (6, 3625244), (7, 3107352), (8, 2718933), (12, 1812622), (14, 1553676), (21, 1035784), (24, 906311), (28, 776838), (42, 517892), (43, 505848), (56, 388419), (84, 258946), (86, 252924), (129, 168616), (168, 129473), (172, 126462), (258, 84308), (301, 72264), (344, 63231), (516, 42154), (602, 36132), (903, 24088), (1032, 21077), (1204, 18066), (1806, 12044), (2408, 9033), (3011, 7224), (3612, 6022)]