21565398

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^2$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 47121408

約数和(自身を除く): 25556010

約数列:

[1, 2, 3, 6, 23, 31, 46, 62, 69, 71, 93, 138, 142, 186, 213, 426, 713, 1426, 1633, 2139, 2201, 3266, 4278, 4402, 4899, 5041, 6603, 9798, 10082, 13206, 15123, 30246, 50623, 101246, 115943, 151869, 156271, 231886, 303738, 312542, 347829, 468813, 695658, 937626, 3594233, 7188466, 10782699, 21565398]

約数ペア:

[(1, 21565398), (2, 10782699), (3, 7188466), (6, 3594233), (23, 937626), (31, 695658), (46, 468813), (62, 347829), (69, 312542), (71, 303738), (93, 231886), (138, 156271), (142, 151869), (186, 115943), (213, 101246), (426, 50623), (713, 30246), (1426, 15123), (1633, 13206), (2139, 10082), (2201, 9798), (3266, 6603), (4278, 5041), (4402, 4899)]