21834160

素因数分解:

$2^4\times 5^1\times {\mathrm{272927}}^1$

素因数の和:272940

約数の個数: 20

約数和(自身を含む): 50764608

約数和(自身を除く): 28930448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 272927, 545854, 1091708, 1364635, 2183416, 2729270, 4366832, 5458540, 10917080, 21834160]

約数ペア:

[(1, 21834160), (2, 10917080), (4, 5458540), (5, 4366832), (8, 2729270), (10, 2183416), (16, 1364635), (20, 1091708), (40, 545854), (80, 272927)]