21320024

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{242273}}^1$

素因数の和:242290

約数の個数: 16

約数和(自身を含む): 43609320

約数和(自身を除く): 22289296

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 242273, 484546, 969092, 1938184, 2665003, 5330006, 10660012, 21320024]

約数ペア:

[(1, 21320024), (2, 10660012), (4, 5330006), (8, 2665003), (11, 1938184), (22, 969092), (44, 484546), (88, 242273)]