21301357

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{16273}}^1$

素因数の和:16308

約数の個数: 16

約数和(自身を含む): 28121472

約数和(自身を除く): 6820115

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 16273, 113911, 179003, 276641, 1253021, 1936487, 3043051, 21301357]

約数ペア:

[(1, 21301357), (7, 3043051), (11, 1936487), (17, 1253021), (77, 276641), (119, 179003), (187, 113911), (1309, 16273)]