21702002

素因数分解:

$2^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{3119}}^1$

素因数の和:3206

約数の個数: 24

約数和(自身を含む): 38413440

約数和(自身を除く): 16711438

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 497, 994, 3119, 3479, 6238, 6958, 21833, 43666, 152831, 221449, 305662, 442898, 1550143, 3100286, 10851001, 21702002]

約数ペア:

[(1, 21702002), (2, 10851001), (7, 3100286), (14, 1550143), (49, 442898), (71, 305662), (98, 221449), (142, 152831), (497, 43666), (994, 21833), (3119, 6958), (3479, 6238)]