21043832

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{37049}}^1$

素因数の和:37126

約数の個数: 16

約数和(自身を含む): 40014000

約数和(自身を除く): 18970168

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 37049, 74098, 148196, 296392, 2630479, 5260958, 10521916, 21043832]

約数ペア:

[(1, 21043832), (2, 10521916), (4, 5260958), (8, 2630479), (71, 296392), (142, 148196), (284, 74098), (568, 37049)]