21140454

素因数分解:

$2^1\times 3^1\times {\mathrm{691}}^1\times {\mathrm{5099}}^1$

素因数の和:5795

約数の個数: 16

約数和(自身を含む): 42350400

約数和(自身を除く): 21209946

約数列:

[1, 2, 3, 6, 691, 1382, 2073, 4146, 5099, 10198, 15297, 30594, 3523409, 7046818, 10570227, 21140454]

約数ペア:

[(1, 21140454), (2, 10570227), (3, 7046818), (6, 3523409), (691, 30594), (1382, 15297), (2073, 10198), (4146, 5099)]