21103593

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 33371136

約数和(自身を除く): 12267543

約数列:

[1, 3, 7, 21, 53, 67, 159, 201, 283, 371, 469, 849, 1113, 1407, 1981, 3551, 5943, 10653, 14999, 18961, 24857, 44997, 56883, 74571, 104993, 132727, 314979, 398181, 1004933, 3014799, 7034531, 21103593]

約数ペア:

[(1, 21103593), (3, 7034531), (7, 3014799), (21, 1004933), (53, 398181), (67, 314979), (159, 132727), (201, 104993), (283, 74571), (371, 56883), (469, 44997), (849, 24857), (1113, 18961), (1407, 14999), (1981, 10653), (3551, 5943)]