21116344

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{71339}}^1$

素因数の和:71382

約数の個数: 16

約数和(自身を含む): 40663800

約数和(自身を除く): 19547456

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 71339, 142678, 285356, 570712, 2639543, 5279086, 10558172, 21116344]

約数ペア:

[(1, 21116344), (2, 10558172), (4, 5279086), (8, 2639543), (37, 570712), (74, 285356), (148, 142678), (296, 71339)]