21000923120

素因数分解:

$2^4\times 5^1\times {\mathrm{262511539}}^1$

素因数の和:262511552

約数の個数: 20

約数和(自身を含む): 48827146440

約数和(自身を除く): 27826223320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 262511539, 525023078, 1050046156, 1312557695, 2100092312, 2625115390, 4200184624, 5250230780, 10500461560, 21000923120]

約数ペア:

[(1, 21000923120), (2, 10500461560), (4, 5250230780), (5, 4200184624), (8, 2625115390), (10, 2100092312), (16, 1312557695), (20, 1050046156), (40, 525023078), (80, 262511539)]