21181038

素因数分解:

$2^1\times 3^1\times {\mathrm{367}}^1\times {\mathrm{9619}}^1$

素因数の和:9991

約数の個数: 16

約数和(自身を含む): 42481920

約数和(自身を除く): 21300882

約数列:

[1, 2, 3, 6, 367, 734, 1101, 2202, 9619, 19238, 28857, 57714, 3530173, 7060346, 10590519, 21181038]

約数ペア:

[(1, 21181038), (2, 10590519), (3, 7060346), (6, 3530173), (367, 57714), (734, 28857), (1101, 19238), (2202, 9619)]