21910266

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{173891}}^1$

素因数の和:173906

約数の個数: 24

約数和(自身を含む): 54254304

約数和(自身を除く): 32344038

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 173891, 347782, 521673, 1043346, 1217237, 1565019, 2434474, 3130038, 3651711, 7303422, 10955133, 21910266]

約数ペア:

[(1, 21910266), (2, 10955133), (3, 7303422), (6, 3651711), (7, 3130038), (9, 2434474), (14, 1565019), (18, 1217237), (21, 1043346), (42, 521673), (63, 347782), (126, 173891)]