21536944

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9413}}^1$

素因数の和:9445

約数の個数: 40

約数和(自身を含む): 49028112

約数和(自身を除く): 27491168

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 9413, 18826, 37652, 75304, 103543, 122369, 150608, 207086, 244738, 414172, 489476, 828344, 978952, 1346059, 1656688, 1957904, 2692118, 5384236, 10768472, 21536944]

約数ペア:

[(1, 21536944), (2, 10768472), (4, 5384236), (8, 2692118), (11, 1957904), (13, 1656688), (16, 1346059), (22, 978952), (26, 828344), (44, 489476), (52, 414172), (88, 244738), (104, 207086), (143, 150608), (176, 122369), (208, 103543), (286, 75304), (572, 37652), (1144, 18826), (2288, 9413)]