21118068

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 55910400

約数和(自身を除く): 34792332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 127, 149, 186, 254, 279, 298, 372, 381, 447, 508, 558, 596, 762, 894, 1116, 1143, 1341, 1524, 1788, 2286, 2682, 3937, 4572, 4619, 5364, 7874, 9238, 11811, 13857, 15748, 18476, 18923, 23622, 27714, 35433, 37846, 41571, 47244, 55428, 56769, 70866, 75692, 83142, 113538, 141732, 166284, 170307, 227076, 340614, 586613, 681228, 1173226, 1759839, 2346452, 3519678, 5279517, 7039356, 10559034, 21118068]

約数ペア:

[(1, 21118068), (2, 10559034), (3, 7039356), (4, 5279517), (6, 3519678), (9, 2346452), (12, 1759839), (18, 1173226), (31, 681228), (36, 586613), (62, 340614), (93, 227076), (124, 170307), (127, 166284), (149, 141732), (186, 113538), (254, 83142), (279, 75692), (298, 70866), (372, 56769), (381, 55428), (447, 47244), (508, 41571), (558, 37846), (596, 35433), (762, 27714), (894, 23622), (1116, 18923), (1143, 18476), (1341, 15748), (1524, 13857), (1788, 11811), (2286, 9238), (2682, 7874), (3937, 5364), (4572, 4619)]