21490304

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{15263}}^1$

素因数の和:15288

約数の個数: 32

約数和(自身を含む): 46707840

約数和(自身を除く): 25217536

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 15263, 30526, 61052, 122104, 167893, 244208, 335786, 488416, 671572, 976832, 1343144, 1953664, 2686288, 5372576, 10745152, 21490304]

約数ペア:

[(1, 21490304), (2, 10745152), (4, 5372576), (8, 2686288), (11, 1953664), (16, 1343144), (22, 976832), (32, 671572), (44, 488416), (64, 335786), (88, 244208), (128, 167893), (176, 122104), (352, 61052), (704, 30526), (1408, 15263)]