21000751884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83336317}}^1$

素因数の和:83336334

約数の個数: 36

約数和(自身を含む): 60668839504

約数和(自身を除く): 39668087620

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 83336317, 166672634, 250008951, 333345268, 500017902, 583354219, 750026853, 1000035804, 1166708438, 1500053706, 1750062657, 2333416876, 3000107412, 3500125314, 5250187971, 7000250628, 10500375942, 21000751884]

約数ペア:

[(1, 21000751884), (2, 10500375942), (3, 7000250628), (4, 5250187971), (6, 3500125314), (7, 3000107412), (9, 2333416876), (12, 1750062657), (14, 1500053706), (18, 1166708438), (21, 1000035804), (28, 750026853), (36, 583354219), (42, 500017902), (63, 333345268), (84, 250008951), (126, 166672634), (252, 83336317)]