21552544

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 24678368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 103, 104, 206, 208, 412, 416, 503, 824, 1006, 1339, 1648, 2012, 2678, 3296, 4024, 5356, 6539, 8048, 10712, 13078, 16096, 21424, 26156, 42848, 51809, 52312, 103618, 104624, 207236, 209248, 414472, 673517, 828944, 1347034, 1657888, 2694068, 5388136, 10776272, 21552544]

約数ペア:

[(1, 21552544), (2, 10776272), (4, 5388136), (8, 2694068), (13, 1657888), (16, 1347034), (26, 828944), (32, 673517), (52, 414472), (103, 209248), (104, 207236), (206, 104624), (208, 103618), (412, 52312), (416, 51809), (503, 42848), (824, 26156), (1006, 21424), (1339, 16096), (1648, 13078), (2012, 10712), (2678, 8048), (3296, 6539), (4024, 5356)]