42471821

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1621}}^1$

素因数の和:1844

約数の個数: 16

約数和(自身を含む): 51384960

約数和(自身を除く): 8913139

約数列:

[1, 7, 19, 133, 197, 1379, 1621, 3743, 11347, 26201, 30799, 215593, 319337, 2235359, 6067403, 42471821]

約数ペア:

[(1, 42471821), (7, 6067403), (19, 2235359), (133, 319337), (197, 215593), (1379, 30799), (1621, 26201), (3743, 11347)]