21089964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251071}}^1$

素因数の和:251085

約数の個数: 24

約数和(自身を含む): 56240128

約数和(自身を除く): 35150164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251071, 502142, 753213, 1004284, 1506426, 1757497, 3012852, 3514994, 5272491, 7029988, 10544982, 21089964]

約数ペア:

[(1, 21089964), (2, 10544982), (3, 7029988), (4, 5272491), (6, 3514994), (7, 3012852), (12, 1757497), (14, 1506426), (21, 1004284), (28, 753213), (42, 502142), (84, 251071)]