21219451

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2141}}^1$

素因数の和:2222

約数の個数: 16

約数和(自身を含む): 24984288

約数和(自身を除く): 3764837

約数列:

[1, 11, 17, 53, 187, 583, 901, 2141, 9911, 23551, 36397, 113473, 400367, 1248203, 1929041, 21219451]

約数ペア:

[(1, 21219451), (11, 1929041), (17, 1248203), (53, 400367), (187, 113473), (583, 36397), (901, 23551), (2141, 9911)]