21035344

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1117}}^1$

素因数の和:1243

約数の個数: 40

約数和(自身を含む): 44916768

約数和(自身を除く): 23881424

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 107, 176, 214, 428, 856, 1117, 1177, 1712, 2234, 2354, 4468, 4708, 8936, 9416, 12287, 17872, 18832, 24574, 49148, 98296, 119519, 196592, 239038, 478076, 956152, 1314709, 1912304, 2629418, 5258836, 10517672, 21035344]

約数ペア:

[(1, 21035344), (2, 10517672), (4, 5258836), (8, 2629418), (11, 1912304), (16, 1314709), (22, 956152), (44, 478076), (88, 239038), (107, 196592), (176, 119519), (214, 98296), (428, 49148), (856, 24574), (1117, 18832), (1177, 17872), (1712, 12287), (2234, 9416), (2354, 8936), (4468, 4708)]