21842782

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{5351}}^1$

素因数の和:5523

約数の個数: 16

約数和(自身を含む): 35515872

約数和(自身を除く): 13673090

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 5351, 10702, 69563, 139126, 840107, 1680214, 10921391, 21842782]

約数ペア:

[(1, 21842782), (2, 10921391), (13, 1680214), (26, 840107), (157, 139126), (314, 69563), (2041, 10702), (4082, 5351)]