21514206

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3739}}^1$

素因数の和:3888

約数の個数: 32

約数和(自身を含む): 49547520

約数和(自身を除く): 28033314

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 137, 274, 411, 822, 959, 1918, 2877, 3739, 5754, 7478, 11217, 22434, 26173, 52346, 78519, 157038, 512243, 1024486, 1536729, 3073458, 3585701, 7171402, 10757103, 21514206]

約数ペア:

[(1, 21514206), (2, 10757103), (3, 7171402), (6, 3585701), (7, 3073458), (14, 1536729), (21, 1024486), (42, 512243), (137, 157038), (274, 78519), (411, 52346), (822, 26173), (959, 22434), (1918, 11217), (2877, 7478), (3739, 5754)]