21149557

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1129}}^1$

素因数の和:1284

約数の個数: 16

約数和(自身を含む): 25058880

約数和(自身を除く): 3909323

約数列:

[1, 11, 13, 131, 143, 1129, 1441, 1703, 12419, 14677, 18733, 147899, 161447, 1626889, 1922687, 21149557]

約数ペア:

[(1, 21149557), (11, 1922687), (13, 1626889), (131, 161447), (143, 147899), (1129, 18733), (1441, 14677), (1703, 12419)]