42141981

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{105619}}^1$

素因数の和:105648

約数の個数: 16

約数和(自身を含む): 67596800

約数和(自身を除く): 25454819

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 105619, 316857, 739333, 2006761, 2217999, 6020283, 14047327, 42141981]

約数ペア:

[(1, 42141981), (3, 14047327), (7, 6020283), (19, 2217999), (21, 2006761), (57, 739333), (133, 316857), (399, 105619)]