21700866

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 48492864

約数和(自身を除く): 26791998

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 121, 142, 213, 242, 363, 421, 426, 726, 781, 842, 1263, 1562, 2343, 2526, 4631, 4686, 8591, 9262, 13893, 17182, 25773, 27786, 29891, 50941, 51546, 59782, 89673, 101882, 152823, 179346, 305646, 328801, 657602, 986403, 1972806, 3616811, 7233622, 10850433, 21700866]

約数ペア:

[(1, 21700866), (2, 10850433), (3, 7233622), (6, 3616811), (11, 1972806), (22, 986403), (33, 657602), (66, 328801), (71, 305646), (121, 179346), (142, 152823), (213, 101882), (242, 89673), (363, 59782), (421, 51546), (426, 50941), (726, 29891), (781, 27786), (842, 25773), (1263, 17182), (1562, 13893), (2343, 9262), (2526, 8591), (4631, 4686)]