21339769

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:452

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 2610311

約数列:

[1, 11, 59, 131, 251, 649, 1441, 2761, 7729, 14809, 32881, 85019, 162899, 361691, 1939979, 21339769]

約数ペア:

[(1, 21339769), (11, 1939979), (59, 361691), (131, 162899), (251, 85019), (649, 32881), (1441, 14809), (2761, 7729)]