21000000624

素因数分解:

$2^4\times 3^1\times {\mathrm{437500013}}^1$

素因数の和:437500024

約数の個数: 20

約数和(自身を含む): 54250001736

約数和(自身を除く): 33250001112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 437500013, 875000026, 1312500039, 1750000052, 2625000078, 3500000104, 5250000156, 7000000208, 10500000312, 21000000624]

約数ペア:

[(1, 21000000624), (2, 10500000312), (3, 7000000208), (4, 5250000156), (6, 3500000104), (8, 2625000078), (12, 1750000052), (16, 1312500039), (24, 875000026), (48, 437500013)]