21000273822

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{9641999}}^1$

素因数の和:9642029

約数の個数: 36

約数和(自身を含む): 50013054000

約数和(自身を除く): 29012780178

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 9641999, 19283998, 28925997, 57851994, 86777991, 106061989, 173555982, 212123978, 318185967, 636371934, 954557901, 1166681879, 1909115802, 2333363758, 3500045637, 7000091274, 10500136911, 21000273822]

約数ペア:

[(1, 21000273822), (2, 10500136911), (3, 7000091274), (6, 3500045637), (9, 2333363758), (11, 1909115802), (18, 1166681879), (22, 954557901), (33, 636371934), (66, 318185967), (99, 212123978), (121, 173555982), (198, 106061989), (242, 86777991), (363, 57851994), (726, 28925997), (1089, 19283998), (2178, 9641999)]