21296954

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2081}}^1$

素因数の和:2150

約数の個数: 32

約数和(自身を含む): 39574656

約数和(自身を除く): 18277702

約数列:

[1, 2, 7, 14, 17, 34, 43, 86, 119, 238, 301, 602, 731, 1462, 2081, 4162, 5117, 10234, 14567, 29134, 35377, 70754, 89483, 178966, 247639, 495278, 626381, 1252762, 1521211, 3042422, 10648477, 21296954]

約数ペア:

[(1, 21296954), (2, 10648477), (7, 3042422), (14, 1521211), (17, 1252762), (34, 626381), (43, 495278), (86, 247639), (119, 178966), (238, 89483), (301, 70754), (602, 35377), (731, 29134), (1462, 14567), (2081, 10234), (4162, 5117)]