21763504

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4519}}^1$

素因数の和:4577

約数の個数: 40

約数和(自身を含む): 49322240

約数和(自身を除く): 27558736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4519, 4816, 9038, 18076, 31633, 36152, 63266, 72304, 126532, 194317, 253064, 388634, 506128, 777268, 1360219, 1554536, 2720438, 3109072, 5440876, 10881752, 21763504]

約数ペア:

[(1, 21763504), (2, 10881752), (4, 5440876), (7, 3109072), (8, 2720438), (14, 1554536), (16, 1360219), (28, 777268), (43, 506128), (56, 388634), (86, 253064), (112, 194317), (172, 126532), (301, 72304), (344, 63266), (602, 36152), (688, 31633), (1204, 18076), (2408, 9038), (4519, 4816)]