21000296982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{635333}}^1$

素因数の和:636132

約数の個数: 32

約数和(自身を含む): 48061746432

約数和(自身を除く): 27061449450

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 787, 1574, 2361, 4722, 5509, 11018, 16527, 33054, 635333, 1270666, 1905999, 3811998, 4447331, 8894662, 13341993, 26683986, 500007071, 1000014142, 1500021213, 3000042426, 3500049497, 7000098994, 10500148491, 21000296982]

約数ペア:

[(1, 21000296982), (2, 10500148491), (3, 7000098994), (6, 3500049497), (7, 3000042426), (14, 1500021213), (21, 1000014142), (42, 500007071), (787, 26683986), (1574, 13341993), (2361, 8894662), (4722, 4447331), (5509, 3811998), (11018, 1905999), (16527, 1270666), (33054, 635333)]