21405266808

素因数分解:

$2^3\times 3^1\times {\mathrm{891886117}}^1$

素因数の和:891886126

約数の個数: 16

約数和(自身を含む): 53513167080

約数和(自身を除く): 32107900272

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 891886117, 1783772234, 2675658351, 3567544468, 5351316702, 7135088936, 10702633404, 21405266808]

約数ペア:

[(1, 21405266808), (2, 10702633404), (3, 7135088936), (4, 5351316702), (6, 3567544468), (8, 2675658351), (12, 1783772234), (24, 891886117)]