21728616

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9949}}^1$

素因数の和:9978

約数の個数: 64

約数和(自身を含む): 66864000

約数和(自身を除く): 45135384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9949, 19898, 29847, 39796, 59694, 69643, 79592, 119388, 129337, 139286, 208929, 238776, 258674, 278572, 388011, 417858, 517348, 557144, 776022, 835716, 905359, 1034696, 1552044, 1671432, 1810718, 2716077, 3104088, 3621436, 5432154, 7242872, 10864308, 21728616]

約数ペア:

[(1, 21728616), (2, 10864308), (3, 7242872), (4, 5432154), (6, 3621436), (7, 3104088), (8, 2716077), (12, 1810718), (13, 1671432), (14, 1552044), (21, 1034696), (24, 905359), (26, 835716), (28, 776022), (39, 557144), (42, 517348), (52, 417858), (56, 388011), (78, 278572), (84, 258674), (91, 238776), (104, 208929), (156, 139286), (168, 129337), (182, 119388), (273, 79592), (312, 69643), (364, 59694), (546, 39796), (728, 29847), (1092, 19898), (2184, 9949)]