213420284

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{8999}}^1$

素因数の和:9039

約数の個数: 54

約数和(自身を含む): 477603000

約数和(自身を除く): 264182716

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 484, 539, 847, 1078, 1694, 2156, 3388, 5929, 8999, 11858, 17998, 23716, 35996, 62993, 98989, 125986, 197978, 251972, 395956, 440951, 692923, 881902, 1088879, 1385846, 1763804, 2177758, 2771692, 4355516, 4850461, 7622153, 9700922, 15244306, 19401844, 30488612, 53355071, 106710142, 213420284]

約数ペア:

[(1, 213420284), (2, 106710142), (4, 53355071), (7, 30488612), (11, 19401844), (14, 15244306), (22, 9700922), (28, 7622153), (44, 4850461), (49, 4355516), (77, 2771692), (98, 2177758), (121, 1763804), (154, 1385846), (196, 1088879), (242, 881902), (308, 692923), (484, 440951), (539, 395956), (847, 251972), (1078, 197978), (1694, 125986), (2156, 98989), (3388, 62993), (5929, 35996), (8999, 23716), (11858, 17998)]