21000273880

素因数分解:

$2^3\times 5^1\times {\mathrm{525006847}}^1$

素因数の和:525006858

約数の個数: 16

約数和(自身を含む): 47250616320

約数和(自身を除く): 26250342440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 525006847, 1050013694, 2100027388, 2625034235, 4200054776, 5250068470, 10500136940, 21000273880]

約数ペア:

[(1, 21000273880), (2, 10500136940), (4, 5250068470), (5, 4200054776), (8, 2625034235), (10, 2100027388), (20, 1050013694), (40, 525006847)]