21062144

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1376

約数の個数: 40

約数和(自身を含む): 43473408

約数和(自身を除く): 22411264

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1327, 1984, 2654, 3968, 5308, 7936, 10616, 15872, 21232, 41137, 42464, 82274, 84928, 164548, 169856, 329096, 339712, 658192, 679424, 1316384, 2632768, 5265536, 10531072, 21062144]

約数ペア:

[(1, 21062144), (2, 10531072), (4, 5265536), (8, 2632768), (16, 1316384), (31, 679424), (32, 658192), (62, 339712), (64, 329096), (124, 169856), (128, 164548), (248, 84928), (256, 82274), (496, 42464), (512, 41137), (992, 21232), (1327, 15872), (1984, 10616), (2654, 7936), (3968, 5308)]