21137246

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{1033}}^1$

素因数の和:1835

約数の個数: 16

約数和(自身を含む): 34221264

約数和(自身を除く): 13084018

約数列:

[1, 2, 13, 26, 787, 1033, 1574, 2066, 10231, 13429, 20462, 26858, 812971, 1625942, 10568623, 21137246]

約数ペア:

[(1, 21137246), (2, 10568623), (13, 1625942), (26, 812971), (787, 26858), (1033, 20462), (1574, 13429), (2066, 10231)]