21986696

素因数分解:

$2^3\times {\mathrm{1171}}^1\times {\mathrm{2347}}^1$

素因数の和:3524

約数の個数: 16

約数和(自身を含む): 41277840

約数和(自身を除く): 19291144

約数列:

[1, 2, 4, 8, 1171, 2342, 2347, 4684, 4694, 9368, 9388, 18776, 2748337, 5496674, 10993348, 21986696]

約数ペア:

[(1, 21986696), (2, 10993348), (4, 5496674), (8, 2748337), (1171, 18776), (2342, 9388), (2347, 9368), (4684, 4694)]