21108158

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:400

約数の個数: 24

約数和(自身を含む): 33684336

約数和(自身を除く): 12576178

約数列:

[1, 2, 23, 46, 71, 142, 281, 529, 562, 1058, 1633, 3266, 6463, 12926, 19951, 37559, 39902, 75118, 148649, 297298, 458873, 917746, 10554079, 21108158]

約数ペア:

[(1, 21108158), (2, 10554079), (23, 917746), (46, 458873), (71, 297298), (142, 148649), (281, 75118), (529, 39902), (562, 37559), (1058, 19951), (1633, 12926), (3266, 6463)]