21069942

素因数分解:

$2^1\times 3^1\times {\mathrm{281}}^1\times {\mathrm{12497}}^1$

素因数の和:12783

約数の個数: 16

約数和(自身を含む): 42293232

約数和(自身を除く): 21223290

約数列:

[1, 2, 3, 6, 281, 562, 843, 1686, 12497, 24994, 37491, 74982, 3511657, 7023314, 10534971, 21069942]

約数ペア:

[(1, 21069942), (2, 10534971), (3, 7023314), (6, 3511657), (281, 74982), (562, 37491), (843, 24994), (1686, 12497)]