21000368678

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{7829}}^1\times {\mathrm{70589}}^1$

素因数の和:78439

約数の個数: 16

約数和(自身を含む): 33163182000

約数和(自身を除く): 12162813322

約数列:

[1, 2, 19, 38, 7829, 15658, 70589, 141178, 148751, 297502, 1341191, 2682382, 552641281, 1105282562, 10500184339, 21000368678]

約数ペア:

[(1, 21000368678), (2, 10500184339), (19, 1105282562), (38, 552641281), (7829, 2682382), (15658, 1341191), (70589, 297502), (141178, 148751)]