21785596

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2711}}^1$

素因数の和:2770

約数の個数: 36

約数和(自身を含む): 45447696

約数和(自身を除く): 23662100

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 2711, 4018, 5422, 8036, 10844, 18977, 37954, 75908, 111151, 132839, 222302, 265678, 444604, 531356, 778057, 1556114, 3112228, 5446399, 10892798, 21785596]

約数ペア:

[(1, 21785596), (2, 10892798), (4, 5446399), (7, 3112228), (14, 1556114), (28, 778057), (41, 531356), (49, 444604), (82, 265678), (98, 222302), (164, 132839), (196, 111151), (287, 75908), (574, 37954), (1148, 18977), (2009, 10844), (2711, 8036), (4018, 5422)]