21423078

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 47876400

約数和(自身を除く): 26453322

約数列:

[1, 2, 3, 6, 9, 18, 61, 109, 122, 179, 183, 218, 327, 358, 366, 537, 549, 654, 981, 1074, 1098, 1611, 1962, 3222, 6649, 10919, 13298, 19511, 19947, 21838, 32757, 39022, 39894, 58533, 59841, 65514, 98271, 117066, 119682, 175599, 196542, 351198, 1190171, 2380342, 3570513, 7141026, 10711539, 21423078]

約数ペア:

[(1, 21423078), (2, 10711539), (3, 7141026), (6, 3570513), (9, 2380342), (18, 1190171), (61, 351198), (109, 196542), (122, 175599), (179, 119682), (183, 117066), (218, 98271), (327, 65514), (358, 59841), (366, 58533), (537, 39894), (549, 39022), (654, 32757), (981, 21838), (1074, 19947), (1098, 19511), (1611, 13298), (1962, 10919), (3222, 6649)]