21056404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8369}}^1$

素因数の和:8427

約数の個数: 24

約数和(自身を含む): 40075560

約数和(自身を除く): 19019156

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8369, 16738, 33476, 142273, 284546, 309653, 569092, 619306, 1238612, 5264101, 10528202, 21056404]

約数ペア:

[(1, 21056404), (2, 10528202), (4, 5264101), (17, 1238612), (34, 619306), (37, 569092), (68, 309653), (74, 284546), (148, 142273), (629, 33476), (1258, 16738), (2516, 8369)]