21747913

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6121}}^1$

素因数の和:6168

約数の個数: 16

約数和(自身を含む): 26447040

約数和(自身を除く): 4699127

約数列:

[1, 11, 17, 19, 187, 209, 323, 3553, 6121, 67331, 104057, 116299, 1144627, 1279289, 1977083, 21747913]

約数ペア:

[(1, 21747913), (11, 1977083), (17, 1279289), (19, 1144627), (187, 116299), (209, 104057), (323, 67331), (3553, 6121)]