21417278

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{1051}}^1$

素因数の和:1519

約数の個数: 16

約数和(自身を含む): 33630336

約数和(自身を除く): 12213058

約数列:

[1, 2, 23, 46, 443, 886, 1051, 2102, 10189, 20378, 24173, 48346, 465593, 931186, 10708639, 21417278]

約数ペア:

[(1, 21417278), (2, 10708639), (23, 931186), (46, 465593), (443, 48346), (886, 24173), (1051, 20378), (2102, 10189)]