21001291234

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2573057}}^1$

素因数の和:2573130

約数の個数: 32

約数和(自身を含む): 40016198016

約数和(自身を除く): 19014906782

約数列:

[1, 2, 7, 11, 14, 22, 53, 77, 106, 154, 371, 583, 742, 1166, 4081, 8162, 2573057, 5146114, 18011399, 28303627, 36022798, 56607254, 136372021, 198125389, 272744042, 396250778, 954604147, 1500092231, 1909208294, 3000184462, 10500645617, 21001291234]

約数ペア:

[(1, 21001291234), (2, 10500645617), (7, 3000184462), (11, 1909208294), (14, 1500092231), (22, 954604147), (53, 396250778), (77, 272744042), (106, 198125389), (154, 136372021), (371, 56607254), (583, 36022798), (742, 28303627), (1166, 18011399), (4081, 5146114), (8162, 2573057)]