21971292

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{261563}}^1$

素因数の和:261577

約数の個数: 24

約数和(自身を含む): 58590336

約数和(自身を除く): 36619044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 261563, 523126, 784689, 1046252, 1569378, 1830941, 3138756, 3661882, 5492823, 7323764, 10985646, 21971292]

約数ペア:

[(1, 21971292), (2, 10985646), (3, 7323764), (4, 5492823), (6, 3661882), (7, 3138756), (12, 1830941), (14, 1569378), (21, 1046252), (28, 784689), (42, 523126), (84, 261563)]