21024248

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8731}}^1$

素因数の和:8787

約数の個数: 32

約数和(自身を含む): 46104960

約数和(自身を除く): 25080712

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8731, 17462, 34924, 61117, 69848, 122234, 244468, 375433, 488936, 750866, 1501732, 2628031, 3003464, 5256062, 10512124, 21024248]

約数ペア:

[(1, 21024248), (2, 10512124), (4, 5256062), (7, 3003464), (8, 2628031), (14, 1501732), (28, 750866), (43, 488936), (56, 375433), (86, 244468), (172, 122234), (301, 69848), (344, 61117), (602, 34924), (1204, 17462), (2408, 8731)]