210002810

素因数分解:

$2^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{21191}}^1$

素因数の和:22189

約数の個数: 16

約数和(自身を含む): 378404352

約数和(自身を除く): 168401542

約数列:

[1, 2, 5, 10, 991, 1982, 4955, 9910, 21191, 42382, 105955, 211910, 21000281, 42000562, 105001405, 210002810]

約数ペア:

[(1, 210002810), (2, 105001405), (5, 42000562), (10, 21000281), (991, 211910), (1982, 105955), (4955, 42382), (9910, 21191)]