21137402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73907}}^1$

素因数の和:73933

約数の個数: 16

約数和(自身を含む): 37249632

約数和(自身を除く): 16112230

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 73907, 147814, 812977, 960791, 1625954, 1921582, 10568701, 21137402]

約数ペア:

[(1, 21137402), (2, 10568701), (11, 1921582), (13, 1625954), (22, 960791), (26, 812977), (143, 147814), (286, 73907)]