21567196

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24847}}^1$

素因数の和:24889

約数の個数: 24

約数和(自身を含む): 44527616

約数和(自身を除く): 22960420

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 24847, 49694, 99388, 173929, 347858, 695716, 770257, 1540514, 3081028, 5391799, 10783598, 21567196]

約数ペア:

[(1, 21567196), (2, 10783598), (4, 5391799), (7, 3081028), (14, 1540514), (28, 770257), (31, 695716), (62, 347858), (124, 173929), (217, 99388), (434, 49694), (868, 24847)]