21062584

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{90787}}^1$

素因数の和:90822

約数の個数: 16

約数和(自身を含む): 40854600

約数和(自身を除く): 19792016

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 90787, 181574, 363148, 726296, 2632823, 5265646, 10531292, 21062584]

約数ペア:

[(1, 21062584), (2, 10531292), (4, 5265646), (8, 2632823), (29, 726296), (58, 363148), (116, 181574), (232, 90787)]