21607712

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5077}}^1$

素因数の和:5113

約数の個数: 48

約数和(自身を含む): 51186240

約数和(自身を除く): 29578528

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 5077, 10154, 20308, 35539, 40616, 71078, 81232, 96463, 142156, 162464, 192926, 284312, 385852, 568624, 675241, 771704, 1137248, 1350482, 1543408, 2700964, 3086816, 5401928, 10803856, 21607712]

約数ペア:

[(1, 21607712), (2, 10803856), (4, 5401928), (7, 3086816), (8, 2700964), (14, 1543408), (16, 1350482), (19, 1137248), (28, 771704), (32, 675241), (38, 568624), (56, 385852), (76, 284312), (112, 192926), (133, 162464), (152, 142156), (224, 96463), (266, 81232), (304, 71078), (532, 40616), (608, 35539), (1064, 20308), (2128, 10154), (4256, 5077)]