21087024

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:762

約数の個数: 80

約数和(自身を含む): 62995968

約数和(自身を除く): 41908944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 97, 112, 168, 194, 291, 336, 388, 582, 647, 679, 776, 1164, 1294, 1358, 1552, 1941, 2037, 2328, 2588, 2716, 3882, 4074, 4529, 4656, 5176, 5432, 7764, 8148, 9058, 10352, 10864, 13587, 15528, 16296, 18116, 27174, 31056, 32592, 36232, 54348, 62759, 72464, 108696, 125518, 188277, 217392, 251036, 376554, 439313, 502072, 753108, 878626, 1004144, 1317939, 1506216, 1757252, 2635878, 3012432, 3514504, 5271756, 7029008, 10543512, 21087024]

約数ペア:

[(1, 21087024), (2, 10543512), (3, 7029008), (4, 5271756), (6, 3514504), (7, 3012432), (8, 2635878), (12, 1757252), (14, 1506216), (16, 1317939), (21, 1004144), (24, 878626), (28, 753108), (42, 502072), (48, 439313), (56, 376554), (84, 251036), (97, 217392), (112, 188277), (168, 125518), (194, 108696), (291, 72464), (336, 62759), (388, 54348), (582, 36232), (647, 32592), (679, 31056), (776, 27174), (1164, 18116), (1294, 16296), (1358, 15528), (1552, 13587), (1941, 10864), (2037, 10352), (2328, 9058), (2588, 8148), (2716, 7764), (3882, 5432), (4074, 5176), (4529, 4656)]