211719018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{70999}}^1$

素因数の和:71082

約数の個数: 32

約数和(自身を含む): 490752000

約数和(自身を除く): 279032982

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 70999, 141998, 212997, 425994, 496993, 993986, 1490979, 2981958, 5040929, 10081858, 15122787, 30245574, 35286503, 70573006, 105859509, 211719018]

約数ペア:

[(1, 211719018), (2, 105859509), (3, 70573006), (6, 35286503), (7, 30245574), (14, 15122787), (21, 10081858), (42, 5040929), (71, 2981958), (142, 1490979), (213, 993986), (426, 496993), (497, 425994), (994, 212997), (1491, 141998), (2982, 70999)]