21292407

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3037}}^1$

素因数の和:3103

約数の個数: 24

約数和(自身を含む): 33174960

約数和(自身を除く): 11882553

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 3037, 7011, 9111, 27333, 57703, 124517, 173109, 373551, 519327, 1120653, 2365823, 7097469, 21292407]

約数ペア:

[(1, 21292407), (3, 7097469), (9, 2365823), (19, 1120653), (41, 519327), (57, 373551), (123, 173109), (171, 124517), (369, 57703), (779, 27333), (2337, 9111), (3037, 7011)]