21202544

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2273}}^1$

素因数の和:2345

約数の個数: 40

約数和(自身を含む): 45680112

約数和(自身を除く): 24477568

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 2273, 2332, 4546, 4664, 9092, 9328, 18184, 25003, 36368, 50006, 100012, 120469, 200024, 240938, 400048, 481876, 963752, 1325159, 1927504, 2650318, 5300636, 10601272, 21202544]

約数ペア:

[(1, 21202544), (2, 10601272), (4, 5300636), (8, 2650318), (11, 1927504), (16, 1325159), (22, 963752), (44, 481876), (53, 400048), (88, 240938), (106, 200024), (176, 120469), (212, 100012), (424, 50006), (583, 36368), (848, 25003), (1166, 18184), (2273, 9328), (2332, 9092), (4546, 4664)]