21918246

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7789}}^1$

素因数の和:7868

約数の個数: 32

約数和(自身を含む): 50853120

約数和(自身を除く): 28934874

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 7789, 15578, 23367, 46734, 54523, 109046, 163569, 327138, 521863, 1043726, 1565589, 3131178, 3653041, 7306082, 10959123, 21918246]

約数ペア:

[(1, 21918246), (2, 10959123), (3, 7306082), (6, 3653041), (7, 3131178), (14, 1565589), (21, 1043726), (42, 521863), (67, 327138), (134, 163569), (201, 109046), (402, 54523), (469, 46734), (938, 23367), (1407, 15578), (2814, 7789)]