21111468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2591}}^1$

素因数の和:2702

約数の個数: 48

約数和(自身を含む): 56899584

約数和(自身を除く): 35788116

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 97, 194, 291, 388, 582, 679, 1164, 1358, 2037, 2591, 2716, 4074, 5182, 7773, 8148, 10364, 15546, 18137, 31092, 36274, 54411, 72548, 108822, 217644, 251327, 502654, 753981, 1005308, 1507962, 1759289, 3015924, 3518578, 5277867, 7037156, 10555734, 21111468]

約数ペア:

[(1, 21111468), (2, 10555734), (3, 7037156), (4, 5277867), (6, 3518578), (7, 3015924), (12, 1759289), (14, 1507962), (21, 1005308), (28, 753981), (42, 502654), (84, 251327), (97, 217644), (194, 108822), (291, 72548), (388, 54411), (582, 36274), (679, 31092), (1164, 18137), (1358, 15546), (2037, 10364), (2591, 8148), (2716, 7773), (4074, 5182)]