21039970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7331}}^1$

素因数の和:7386

約数の個数: 32

約数和(自身を含む): 44343936

約数和(自身を除く): 23303966

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 7331, 14662, 36655, 51317, 73310, 102634, 256585, 300571, 513170, 601142, 1502855, 2103997, 3005710, 4207994, 10519985, 21039970]

約数ペア:

[(1, 21039970), (2, 10519985), (5, 4207994), (7, 3005710), (10, 2103997), (14, 1502855), (35, 601142), (41, 513170), (70, 300571), (82, 256585), (205, 102634), (287, 73310), (410, 51317), (574, 36655), (1435, 14662), (2870, 7331)]