21364278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{273901}}^1$

素因数の和:273919

約数の個数: 16

約数和(自身を含む): 46015536

約数和(自身を除く): 24651258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 273901, 547802, 821703, 1643406, 3560713, 7121426, 10682139, 21364278]

約数ペア:

[(1, 21364278), (2, 10682139), (3, 7121426), (6, 3560713), (13, 1643406), (26, 821703), (39, 547802), (78, 273901)]