42561021

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{947}}^1$

素因数の和:1232

約数の個数: 16

約数和(自身を含む): 57881088

約数和(自身を除く): 15320067

約数列:

[1, 3, 71, 211, 213, 633, 947, 2841, 14981, 44943, 67237, 199817, 201711, 599451, 14187007, 42561021]

約数ペア:

[(1, 42561021), (3, 14187007), (71, 599451), (211, 201711), (213, 199817), (633, 67237), (947, 44943), (2841, 14981)]